Birthday Wishes For Sister or Sister-in-Law | 500 Heartfelt And Lovely Birthday Wishes

If you have a sister or Sister-in-Law, you know the deal. No matter how much you fight or argue, at the end of the day, she’s still your best friend. Whether you are the younger one or the older one you can likely always count on your sister to cheer you up or make you laugh. Birthday Wishes For Sister or Sister-in-Law  

That’s why your sister’s birthday is like a holiday, and it’s important to treat her like the queen she is. Read on for our list of birthday quotes that say “happy birthday sister!”.

Happy Birthday Wishes For Sister

sisters blog

Funny Birthday Wishes For Sister Or Sister-In-Law

  • You may be the queen today but remember who wears the crown the other 364 days of the year! Happy birthday, sister.
  • I can’t believe you wanted to marry into this wacky family. I guess you must be just as wacky as the rest of us! Best wishes on your birthday, sister-in-law.
  • Happy birthday to the person who will always be older than me.
  • You may be the older sister, but I’ll always be the smartest! Happy birthday!
  • The best part of being your sister is having a best friend who is almost as pretty as me. Happy birthday!
  • You’re the jelly to my roll. Happy birthday, sister!
  • I’m pretty sure I’m the favorite daughter, but since it’s your special day, I’ll let you think otherwise. Happy birthday, sis!
  • Being your sister is really the only gift you need. Happy birthday!
  • You may be the older sister, but you know who’s the boss! Happy birthday, sissy!
  • They say the older you get, the wiser you become. Well, I guess at this point you’re one of the wisest people on earth. Happy Birthday, sister!
  • Happy birthday to my former womb mate!
  • You may be the younger one, but I’ll always be the best-dressed sister. Happy birthday!
  • Don’t forget who knows all your secrets. So, give me the biggest slice of cake or I’m spilling the beans! Happy birthday, sister.
  • No matter how old I get, I’ll always be younger than you! Happy birthday, sister.
  • I knew your party would be lit, but with all these candles we may need to call the fire department! Happy birthday.
  • The best part of being your sister is that we’re the same size and can share clothes. Happy birthday to my fellow fashionista!
  • Let’s party like it’s your birthday! Oh wait, it is! Happy birthday, sis.
  • Screaming happy birthday to the one who gets me
  • No one can make me laugh like you do — especially when I look at your face! Happy birthday, sister.
  • I’m really just here for the cake. Oh yeah, happy birthday!
  • I’m looking forward to growing old with you, and happy that you have a head start. Happy birthday!
  • Because it’s your birthday, I’ll let you eat the first slice. Happy birthday, sis!
  • I guess your birthday wish came true because you have me for a sister!
  • You may be a year older, but I’m not sure you’re any wiser. Happy birthday!
  • For your birthday I got you a fruit salad. With grapes, a lot of fermented grapes!

Short and Sweet Birthday Wishes For Your Sister Or Sister-In-Law

birthday wishes for sister in law 3
  • You take the cake, sissy! Happy birthday!
  • I adore you today and always. Happy birthday, queen!
  • You’re simply the best. Happy birthday, sister!
  • No one compares to you. I love you. HBD!
  • Thanks for being my first bestie. Happy birthday.
  • Happy Birthday, sister! I love you.
  • Happy cake day, sissy!
  • You rock! Happy birthday, sister.
  • You’re the icing to my cake. Happy birthday, sister!
  • Happy birthday to my best friend.
  • Happy cake day, sister!
  • Cheers to another year around the sun. Happy birthday!
  • Happy birthday, dear sister.
  • Wishing the best sister in the world a happy birthday.
  • I’m so proud to call you my sister. Happy birthday!
  • You mean so much to me. Happy birthday, sister!
  • Sisters are the best gift. Happy birthday!
  • Happy birthday, built-in bestie!
  • My sister is better than your sister. Happy birthday, sissy!
  • You’re the best sister a girl could ask for. HBD!
  • Happy birthday to my best friend!
  • Wishing you the best birthday ever, sis!
  • To my favorite sister, Happy birthday!
  • Thinking of you today and always. Happy birthday, sister!
  • I’m so lucky to be your sister.
  • I can’t wait to celebrate with you. Happy birthday!
  • Let the party begin. Happy birthday, sis!
  • You make life sweeter. Happy birthday, sister.
  • You’re simply the best! Happy birthday, sissy.
  • I love you so much! Happy birthday to my best friend.
  • Happy birthday to the most wonderful sister in the world!

Birthday Messages For The Adventurous Sister Or Sister-In-Law

Happy Birthday sister in law

Maybe your sibling is always thinking of fun things to do, is always trying something new, and enjoys traveling. Being around an adventurous sister is always fun and she makes life fascinating. You need to go big if you want to wish this kind of sibling a happy birthday!

Here are a few of our favorites that are the ideal method to wish your sister a happy birthday on her exciting birthday.

  •  “Over the years we may have had disagreements and petty fights, but that’s just what sisters do. We’ve also had deep discussions and loving moments. I’m glad I have such a wonderful sister who keeps my life real and never boring.”
  • “My dear sister, I hope you have a wonderful birthday, and that the year ahead is full of joy, excitement, and adventure!”
  • “Sister, we shared so many laughs and thoughts and also boosted each other up when we were down. I believe still there are plenty of sweet memories to come. Have a wonderful birthday.”
  • “In the kaleidoscope of my life, you form the most beautiful patterns filled with vibrant colors. Happy birthday, sis.”
  • “Happy birthday! My childhood would have been so boring without you to share it with. Thanks for all the awesome adventures we’ve been on, and I can’t wait for the many more fun times to come…starting with celebrating your birthday!”
  • “My childhood memories are full of laughter and fun because of you, my dear big sister! I can’t believe we’re getting older and those times seem like forever ago. Here’s to your bright future—may it sparkle with joy and delight!”
  • “We have shared so many magical moments of our life. We laughed and cried together and made smiles out of frowns. Wishing you a happy birthday.”
  • “You are one seriously resourceful woman, sis. I know this because I remember all those times you managed to finagle yourself out of trouble when we were kids. I also know this quality will take you far in life. Happy birthday, sister!”
  • “Happy, happy birthday, sister. I believe this year will bring wonderful things to your life. Love you.”
  • “I’m so thankful to have a sister like you to share life’s ups and downs with. Thanks for always being there for me and making each day so much fun! I hope you have a very happy birthday!”
  • “I know you have been through so many hard times, but you never gave up. You are my idol and the strongest woman in this entire world. You have such a positive approach to life. Wishing you a happy birthday.”
  • “You are the reason for whom my childhood days were so colorful. Thank you for all those wonderful memories. Happy birthday, sis.”
  • “A birthday kiss for my amazing sis! I’m sure you’ll find fun and adventure on your big day, just as you do every day!”
  • “My crazy, loving, caring and fun sister, life without you would have been a nasty twister. Happy birthday.”
  • “Wishing the happiest birthday to the world’s coolest sister. Thanks for always letting me tag along, and being there when I need you.”
  • “I can’t imagine being on this journey through life without a sister as cool as you. Thank you for everything. Happy birthday!”
  • “To my sister on your birthday: May your special day be every bit as magical and wonderful as you.”
  • “Happy birthday to my awesome sister! I’m so proud of all you’ve accomplished. Thank you for being such a great example.”
  • “Happy birthday, sister! Growing up with you has been the biggest adventure of my life. I love you so much.”

Heartfelt Birthday Wishes For Your Sister Or Sister-In-Law

birthday prayers for my sister social
  • There’s not a day that goes by that I don’t thank my lucky stars that you’re my sister. Happy birthday.
  • I can’t imagine my life without you. You’ve been my trusted protector since day one and for that I’m forever grateful. Wishing you the best birthday yet.
  • You light up every room you enter. Your infectious personality and bright-as-the-sun smile make you loved by many. I’m grateful that I’m one of the lucky ones who get to bask in your remarkable glow. Happy birthday, dear sister.
  • When you married into our family, I knew that we’d be happily bonded for life. Thank you for loving my sibling the way you do. Happy birthday, sister-in-law!
  • Wishing you nothing but the absolute best on this special day that marks your birth. Let’s celebrate!
  • Friends may come and go, but sisters are forever. Happy birthday!
  • I will always be your biggest fan and cheerleader. Happy birthday to the absolute best sister in the world.
  • You brighten my life and I’m forever grateful for you. Happy birthday to my rock star sister.
  • I don’t know what I’d do without you in my life. Happy birthday, dear sister.
  • No matter how old we get, I’ll always look up to you. Happy birthday to my big sister.
  • No one knows me like you and no one ever will. Happy birthday to my first and forever friend.
  • Sibling love like ours is rare. I’m so glad we share an unbreakable bond. Happy birthday to my sweet sissy!
  • You are the most thoughtful, dependable and caring person I know. How did I get so lucky to have you as my sister? Happy birthday, beautiful!
  • Sisters rock and I’m so thankful to have the absolute best. Happy birthday.
  • Wishing the world’s best sister a wonderful birthday. You deserve everything your heart desires.
  • You’re the sunshine on a cloudy day. You brighten our lives and we’re so blessed to have you in our lives. Happy birthday, dear sister.
  • Some people are just a joy to be around. You’re one of them. Thank you for being you! Happy birthday.
  • No matter what life throws my way. I know that I can always count on you, sister. Happy birthday.
  • Sibling love today and always. Happy birthday, sister.
  • Today we celebrate the person who brings so much joy to our lives. Happy birthday, sister.
  • When times are good and when they’re bad, you’re the best sister I could ever have. Happy birthday!
  • Nothing makes me happier than seeing you smile. Wishing you the best birthday yet!
  • When you blow out your candles and make wishes, I hope that they all come true. Happy birthday, sissy.
  • Growing up you were always the most beautiful girl in the world to me. That still rings true. Happy birthday, big sister.
  • I may be the older sister, but I’ve learned so much from you. Thank you for being an incredible younger sister. Happy birthday!
  • When I’m having a good day or if I’m having a bad one, you’re always the first person I call. Thank you for always being there for me no matter what. Happy birthday, sister!
  • Through thick or thin, I can always count on you. That’s why I hope you enjoy your special day to the fullest! Happy birthday, sister.
  • You are one of my biggest inspirations. Wishing you the happiest birthday!
  • You were my first friend and will always be my best. Happy birthday, sister.
  • Sisters speak a language that only we understand. It’s our special sibling power. Happy birthday!
  • You continue to be my biggest inspiration. Happy birthday, sis!
  • Sister bonds are one-of-a-kind. I’m so grateful to know this firsthand. Happy birthday!
  • I’m so lucky to have a beautiful and kind-hearted sister like you. I hope you have a wonderful birthday.

Birthday Messages For The Sister / Best Friend


Who says your closest companion must be someone you encountered at work or school? Sometimes the sibling who grew up next to you is your closest companion. No matter what, the two of you have remained by each other’s sides since the instant you first met. Having trouble expressing happy birthday to your sibling or best friend? See some entertaining methods below!

  • “Sisters are very similar to best friends. You never know that they are keeping a close and caring eye on you, so that nothing can bother your happiness. Happy birthday.”
  • “There might be countless people in this world, but to me, you are the best of the best. Happy birthday!”
  • “Happy birthday, gorgeous! I am grateful for all of our memories and excited to create new ones together!”
  • “Sister, no other person could ever hold a candle to you, because you are too hot to handle! Happy birthday to my older, lovely, and feisty sister.”
  • “It’s not what we have in life but who we have in our life that matters. Happiest birthday to my partner-in-crime sister. I love you!”
  • “You know who is my best friend in the world? It’s you, sis. Happy birthday!”
  • “The definition of a sister: a person who knows you inside and out. Yes, it sounds like you. I’m grateful that you are my sis. Happy birthday.”
  • “Thank you for all the years of friendship, sis. You are my best friend, and your loyalty is always appreciated. May your birthday be filled with wonderful surprises and amazing gifts.”
  • We are sisters by chance but friends by choice. Happy birthday, love!
  • “When I count my blessings, I count you twice! Happy birthday to my dear sister and best friend!”
  • “Growing up, no one drove me crazier than you. Now, you’re the person I talk to when other people are driving me crazy (even you!). Happy birthday, sister!”
  • Having a sister who’s also your best friend is a priceless gift. I love you so much—happy birthday!
  • “Sister, you were the first best friend of my life and you’ll remain my BFF. Wishing you a happy birthday.”
  • “I feel so lucky that my dear sister is also a true friend. Happy birthday, you are the best!”
  • “BFF means Best Friends Forever but do you know what SBFD means? It means Sister but Best Friend in Disguise. Happy birthday, #SBFD.”
  • “Sisters are more precious than anything. Thanks for always being my best friend and role model. Happy birthday.”
  • “Sisters like you are diamonds. They sparkle, they are priceless, and they are truly a woman’s best friend. Happy birthday, sis.”
  •  “I could ask for no greater friend than you. You comfort me, protect me, encourage me, and love me. In short: you are everything to me. Happy birthday to my bestie for life!”
  • “I learned a lot of things by having you as my sister: how to sneak out, how to talk to boys, how to sass our parents, how to put on makeup, and how to cut my own bangs (that one is key). The most important thing you’ve taught me by far is how to love unconditionally. Happy birthday!”
  • “Happy birthday, sister. You are so special in my life, not only for being my family but also for being one of my best friends. Without you I would have not made it this far.”

Birthday Wishes For The Supportive Sister Or Sister-In-Law In Your Life

birthday wishes for sister in law

Perhaps your sibling has been by your side through all the highs and lows. She is there by your side to make things better, whether you’re sobbing into her arms after your first breakup or toasting a new employment offer with cocktails.

Say something sincere to this kind of sibling on her birthday. Need inspiration? Try some of these sayings out.

  • “You are the best version of a sister. No one can ever compete with you—and I mean it. Happy birthday!”
  • “From sharing clothes to combs, shoes to slippers, notebooks to pens, gossip to problems I never realized…when did we grow up? Happy birthday, my sissy!”
  • “Thank you for always encouraging me to go after my dreams. I hope this year every wish of yours comes true because you deserve so much happiness in life. Happy birthday!”
  • “Hooray, it’s your birthday! Probably the only thing that we didn’t have to share as kids! Today it’s all about you—have fun and enjoy your special day!”
  • “Having a sister like you is like having a third parent. Thank you for helping to take care of me even when nobody asked you to. Happy birthday!”
  • “No one can heal my pains and make me happy with a hug like you. Thanks to my sister for being around me always. Let me hug you for once on this special day of your life. Happy birthday.”
  • “When you need someone to be there for the most important parts of your life just call me, and I will come running. Good or bad it doesn’t matter because there is no moment I will not be there for you.”
  • “Growing up I always looked up to you, and as we grow older, I still do. Thanks for showing me how it’s done with style. Happy birthday, big sis!”
  • “Happy birthday, sis! I want you to know that no matter what happens in life, I’m always there for you. That is what big sisters are for! But I truly hope that your life is mostly full of fun, laughter, and good times!”
  • “Your friends may come and go, but sisters will always be there for you—whether you like it or not! Happy birthday.”
  • “I know that no matter what, you will always be a part of my life, and I’m so thankful that I have such a genuine sister.”
  • “There is a place that gives me strength, support and inspiration. It is my sister’s heart. Happy birthday to my wonderful sis!”
  • “I hope your birthday is as meaningful to you as you are to me. You are such an important part of my life, and I want you to know that I truly treasure you. Happy birthday!”
  • “Even when no one else shows concern or care, a sister is someone who’ll always be there. Happy birthday.”
  • “A sister is someone who always understands you, cares for you, and loves you. You are an exceptional one, and I hope you have the best birthday!”
  • “My best friend and mentor has grown a year older today. Wishing you a very happy birthday, sis.”
  • “Sisters are one of life’s greatest gifts. They are shopping buddies, gal pals, confidantes, therapists, mothers, yoga partners, and manicurists all rolled into one. Happy birthday to my sister who plays so many roles in life.”
  • “Sis, for all the times you defended me when we were kids and consoled me as an adult, know that I am truly thankful. I could ask for no better champion in life than you. Happy birthday!”
  • “No one gets me quite like you. Wishing you a happy birthday filled with love and good fortune!”
  • “You are such a strong, smart, and sassy woman. I value your opinion now just as much as when we were kids. You are everything I aspire to be in life. Happy birthday!”

Birthday Messages For The Sister Or Sister-In-Law Who Lives Far Away 


Perhaps you spent your childhood years with your sibling living in the same bedroom as you and are now missing those times. Even though you can no longer communicate or visit each other on a daily basis, you can still honor your sister.

Here are some messages you can use to let your sister know how much she means to you on her birthday even if you can’t be there in person.

  • “Even though we are miles apart this year for your birthday, you will always be in my thoughts. You are a marvelous sister, and I am sending all my love your way. Happy birthday, sister!”
  • “Don’t forget our Zoom party this afternoon! The distance can’t stop us from celebrating.”
  • “I am sending you lots of positive thoughts for your birthday since I can’t be there in person. If I could box up my hugs and mail them, I would. Happy birthday to my adorable sister!”
  • “Whenever you have a quiet moment today, know that I’m thinking of you and hoping your birthday is the happiest of days. Miss you, sis!”
  • “Though oceans may lie between us, we are never far apart, for sisterhood doesn’t count miles, it’s measured by the heart. Happy birthday!”
  • “Although we don’t chat every day like we used to as kids, you’re still always in my heart Happy birthday, sister.”
  • “Thinking of you on your special day, my dear sister, even though you’re far away. Happiest of birthdays to you.”
  • “Just because you’re far away this year, to me, it doesn’t make you any less dear. No matter what, you’re always close to my heart. Happy birthday to you, my sweet sister.”
  • “I wish I could celebrate with you today, but I’m glad to see you’re still the fun-loving girl I grew up with. I hope you enjoy your special day, sis.”
  • “As I can’t celebrate your special day with you this year, I’ll just have to get you an extra big present to make up for it! Happy birthday, sis!”
  • “We might not be close enough to see each other every day, but just know I’m only a message or phone call away. I’m wishing you the loveliest birthday today, sis!”
  • “Happy birthday to you from afar. We will never truly be apart because you’re my sister, and we’re connected by the heart. We share a bond only siblings will understand, one that is true and runs deeper than any other.”
  • “To my little sister, I am so proud of the woman you have become. May all the desires of your heart be fulfilled. Happy birthday and have a wonderful year ahead.”
  • “Another year has gone by, my dear sister. Even though you are far away, you are always close to my heart. Happy birthday and blessings for the year ahead.”
  • “It feels weird that we aren’t celebrating your birthday together. But I know you’re away for a greater cause. Happy birthday, darling sister. I love you.”
  • “Sister, despite the distance between us, I love you more than words could ever express. We may not talk every day, but know that I cherish you and more so on your birthday.”
  • “It might be sad that distance is keeping us so far away from each other, but I always have you close to my heart and take comfort in the fact that I’ll see you soon. I wish you rains of joy and laughter as you celebrate your birthday, sister!”
  • “Although I’m not there to celebrate with you in person, wishing you a mash-up of joy, happiness and laughter throughout your life.”
  • “May your face be brightened with smiles on your birthday, even in my absence. Remember that there is nothing in this universe that I love more than you. Happy birthday, sweet sister!”

Emoji Birthday Wishes For Your Sister

  • You’re the icing on my 🎂! Happy birthday, sister!
  • Happy 🐝-day!
  • You’re the greatest 🎁 a girl could ever ask for. HBD!
  • You’re like a 🌈 on a ☁️ day. You add color to my life. Wishing you a happy birthday!
  • Wishing you an 🥚- cellent birthday!
  • It’s your birthday! 🎂🎉🥳🎁
  • Can’t wait to 💃💃💃 all night at your 🎂🎉🥳!
  • Despite your 🌽-y jokes, you still know how to make me laugh. Happy birthday!
  • Let’s get this 💃🎉🥳 started!
  • Here’s to another year of fun and adventure. ✈️🚢🚆
  • We’re gonna pop some 🥂🍾 to celebrate your special day!
  • You’ll always be the 😎🐣 I know! Happy birthday, sis!
  • I’m the 🍀🍀🍀 girl on 🌎 because you’re my sister. Wishing you the best birthday yet!
  • You’re such a 👑 and deserve to be treated as such! HBD!
  • 🥂 to another trip around the 🌞!
  • Hope you have a birthday that’s out of this world! 🪐👾💫🌛
  • Another year older 🧓 but prob not any wiser. 🦉📚🤣🤣🤣
  • You’re such a shining 🌟. Happy birthday, sissy!

Short and Sweet Birthday Wishes 

5f92f56874e502183047f3be Short Birthday Wishes and Messages

For A Sister

  • I’m so grateful to have you as my sister and my best friend. Wishing you all the happiness your birthday can hold!
  • Your birthday is the day to celebrate you! And every day, I’m grateful you’re my sister.
  • I hope your birthday is as special as you are, my lovely sister!
  • Wishing a happy birthday to my favorite sister!
  • Sending birthday love your way, sis!
  • You make every day brighter just by being yourself.
  • Happy birthday to a sister who means everything to me.
  • May your birthday be filled with all the joys that you hope for.
  • My heartfelt birthday wishes go out to my dearest sister. May all your dreams and aspirations come to fruition on this special day of yours!

For A Sister-In-Law

  • In good times and bad, I’m so glad you’re my sister-in-law. Wishing you a birthday that’s as wonderful as you are!
  • Sending birthday love to my amazing sister-in-law!
  • I hope you know how much you’re loved on your birthday.
  • Wishing a birthday that’s as beautiful as you are, inside and out, to my lovely sister-in-law.
  • I’m so grateful to have you in our family. Wishing you all the happiness your birthday can hold!

For A Younger Sister

  • Wishing you a birthday that’s as wonderful as you are, my dear sister.
  • I’m so grateful to have you as my sister and my best friend. Wishing you all the happiness your birthday can hold!

For An Elder Sister

  1. To my elder sister, I hope you know how much I look up to you and how grateful I am to have you in my life. Wishing you all the happiness your birthday can hold!
  2. On your birthday, I’m celebrating everything that makes you the amazing woman you are.
  3. You’ve always been there for me as an elder sister. Today, I hope you know how much I appreciate and love you. Wishing you a birthday that’s as wonderful as you are!
  4. Wishing a birthday that’s as beautiful as you are, inside and out, to my lovely elder sister.

For A Sister-Like Friend

  • You’re such a special friend to me, and I hope you know that on your birthday.
  • I wish you all the happiness your birthday can hold, my dear friend!
  • I’m celebrating our wonderful friendship on your birthday.
  • Wishing you a birthday that’s as wonderful as you are, my friend!
  • My heartfelt birthday wishes go out to my dearest friend. May all your dreams and aspirations come to fruition on this special day of yours!
  • Sending birthday love your way, my friend!
  • You make every day brighter just by being you. Have a birthday that’s as wonderful as you are!
  • I hope your birthday is as special as you are, my friend!
  • Wishing you a birthday that’s as wonderful as you are, my sister.
  • Happy birthday to a friend who means everything to me.


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