70 Best Birthday Wishes for Cousin Sister: Make Her Day Special

Sometimes, a cousin sister can be more than a friend, even more than a sister. The bond between cousins is special. And if you have such a special one and her birthday is around the corner, it’s time to search for the sweetest, funniest, and most emotion-filled birthday wishes for cousin sister!

Even though many might think a birthday wish is just another “greetings”, you should still send it to your cousin because it helps you to express what you really think and feel for her. Using the right words and emotions, a perfect birthday wish can make her day even more wonderful!

Now, if you are searching for the best birthday wishes, quotes, and sayings for your cousin sister, we have a list of them for you. It doesn’t matter if she is older, younger, or of the same age; a heartfelt birthday message would definitely make her feel loved!

 

Short Birthday Wishes For Cousin Sister

1. “Happy birthday, my partner in crime! Here’s to another year of mischief and unforgettable memories. Love you, cousin sis!”

Short Birthday Wishes For Cousin Sister

 

2. “To my favorite cousin sister, may your special day be as fabulous and fun as you are. Happy birthday!”

 

3. “Happy birthday, dear cousin! Let’s keep making memories and adding chapters to our never-ending story of laughter and adventure.”

 

4. “Cheers to the birthday girl who’s always ready for a good time! Wishing you a day filled with love and happiness, my amazing cousin sister.”

 

5. “Happy birthday to the one who knows all my secrets and still loves me. You’re not just my cousin sister, you’re my soul sister. Enjoy your special day!”

 

6. “Hey birthday girl, let’s make some noise and celebrate! To my partner in crime and laughter, have the happiest of birthdays, cousin sis!”

 

7. “Happy birthday to the best cousin sister ever! Here’s to countless more shared memories, inside jokes, and endless fun.”

 

8. “Cousin sis, wishing you a day filled with joy, laughter, and all your favorite things. Happy birthday, and let’s make it a year to remember!”

 

9. “Happy birthday to the coolest cousin sister in town! Let’s celebrate in style and make this day as amazing as you are.”

 

10. “May your day be as wonderful and unique as you are! Happy birthday, cousin sister.”

Short Birthday Wishes For Cousin Sister

 

11. “Today is all about celebrating you, cousin sister! Enjoy your special day to the fullest.”

 

12. “Happy birthday to the cousin sister who makes life a little brighter with her presence. Wishing you a year filled with love and happiness.”

 

13. “Cousins by blood, sisters by heart. Wishing you a happy birthday, cousin sister!”

 

14. “As your cousin sister, I have had the privilege of seeing you grow into the remarkable person you are today. Happy birthday and here’s to growing even more!”

 

15. “Sending my warmest wishes and biggest hugs to my one-of-a-kind cousin sister on her birthday. Enjoy the celebrations!”

 

Funny Birthday Wishes For Cousin Sister

1. “Happy birthday, cousin sis! May your day be filled with laughter, cake, and more laughter – because who doesn’t want cake-induced giggles?”

Funny Birthday Wishes For Cousin Sister

 

2. “Cousin, you’re not getting older, you’re just leveling up! Happy birthday and congrats on reaching a new high score!”

 

3. “To my favorite cousin sister, happy womb escape anniversary! May your day be as unforgettable as the time we tried to make that DIY hair dye.”

 

4. “Happy birthday! Since we’re partners in crime, I’ll take the blame for all the mischief we cause today. Enjoy your get-out-of-jail-free card!”

 

5. “Dear cousin, I’m sending you this birthday wish with a side of sarcasm and a slice of cake. Enjoy both, but remember: calories still count on your birthday!”

 

6. “Happy birthday, sis! As your favorite cousin, I’m legally obligated to remind you that I’m still younger and better-looking. Have a great day!”

 

7. “Cousin, on your birthday, I wanted to remind you of all the times we laughed so hard we almost peed our pants. May today bring more of those moments!”

 

8. “To my dear cousin sister, happy cake-and-candle day! Just a heads up: I may have replaced your candles with mini fireworks. You’re welcome.”

 

9. “Happy birthday, partner in crime! I’m glad you were born, otherwise, who would I blame for all the trouble I caused as a kid?”

 

10. “Wishing you a birthday as wild as our adventures, cousin! But let’s not get too crazy – we don’t need another visit from the fire department.”

Funny Birthday Wishes For Cousin Sister

 

11. “Cousin, you’re like a fine wine – you only get better with age! Happy birthday, and remember: drink responsibly, but laugh recklessly.”

 

12. “Happy birthday to the one person who knows all my embarrassing stories and still loves me! Keep those blackmail materials safe, cousin sis!”

 

13. Cheers to another year of sharing secrets, jokes, and embarrassing dance moves. Happy birthday, cousin sister, and may your day be as fabulous as our impromptu karaoke nights!

 

14. “Cousin, your birthday is the perfect excuse to reminisce about all our crazy memories. Here’s to making more hilarious moments this year. Happy birthday!”

 

15. “Happy birthday, cousin sister! May your day be filled with as much fun as that time we tried to fit both of us inside a single sleeping bag. Spoiler alert: it didn’t end well.”

 

Birthday Wishes For Elder Cousin Sister

1. “A colossal happy birthday to my stunning, skilled, and sharp-witted big cousin sister! Your daily doses of grit, ingenuity, and resolve are my daily inspiration. May your birthday be as dazzling as you!”

Birthday-Wishes-For-Elder-Cousin-Sister

 

2. “To the ultimate cousin sister a gal could ever wish for, cheers to your birthday! You’ve been my vault of secrets, guiding star, and partner-in-crime since we were tots, and I’m endlessly thankful for your splash of color in my life.”

 

3. “Time flies, and my big cousin sister is blossoming with each birthday that passes. But one constant is my boundless admiration and love for you. You’re a needle in a haystack, and I hope your birthday is as extraordinary as you are.”

 

4. “A rousing happy birthday to the grooviest big cousin sister on the planet! You never fail to tickle my funny bone, and your contagious energy lights up every room. I’m one lucky duck to have you in my life.”

 

5. “Here’s to a splendid birthday for the most tenderhearted, magnanimous big cousin sister I know. Your ceaseless generosity and mindfulness leave me in awe, and I’m grateful to call you family and friend.”

 

6. “Cousin sisters like you are a gem in a sea of stones, and I’m beyond blessed to be connected to someone as marvelous as you. Happy birthday, dear cousin! May this year shower you with love, joy, and all the triumphs you deserve.”

 

7. “To my cherished big cousin sister on her momentous day: I hope your birthday brims with joy and wraps you in love and warmth. You’re a phenomenal human being, and I’m privileged to call you family.”

 

8. “A very happy birthday, big cousin sister! You’re a powerhouse of smarts, talent, and beauty, inside and out. I’m eager to watch you conquer the world in the upcoming year.”

 

9. “Showering you with oodles of love and best wishes on your big day, cousin sister. You’ve always been my beacon of inspiration and support, and I’m eternally grateful for our bond. Have a fantastic celebration!”

 

10. “To my sagacious, awe-inspiring, and downright fabulous big cousin sister: happy birthday! You embody what it means to be a role model and a leader. I’m honored to share your bloodline, and I hope this birthday is the launchpad for an amazing year to come.”

 

Birthday Wishes For Cousin Sister Who Lives Far Away

1. “Happy birthday to my amazing cousin sister! Since you’re so far away, I’m sending you a virtual cake. Just imagine how delicious it would be if I actually baked it. Miss you!”

Birthday-Wishes-For-Cousin-Sister-Who-Lives-Far-Away

 

2. “To the best partner in crime a cousin could ask for, happy birthday! Here’s to another year of making memories together… over video calls, of course! Can’t wait to celebrate in person again.”

 

3. “Happy birthday, dear cousin! Just a heads up, I’m training carrier pigeons to deliver your present – might take a while, but it’s worth the wait! Miss you and our crazy adventures!”

 

4. “Hey there, birthday girl! I hope you enjoy your special day, but remember, no party is complete without me. Can’t wait to reunite and cause more chaos together. Happy birthday, cuz!”

 

5. “Cousin, your birthday is so special that I’m sure it’s being celebrated on both sides of the globe. Enjoy every moment, and I can’t wait to see you soon for a belated celebration. Happy birthday!”

 

6. “Happy birthday to the most amazing cousin sister! Even though we’re miles apart, our bond is stronger than ever. Here’s to another year of long-distance shenanigans and unforgettable memories.”

 

7. “On your birthday, I’m sending you a massive virtual bear hug! Just imagine how great it would be if it were real. We’ll have to make up for lost time when we’re together again. Happy birthday, cousin!”

 

8. “Happy birthday, my dear cousin! I wish I could be there to celebrate with you, but I guess you’ll have to settle for my hilarious texts and calls. Party hard, and don’t forget to save a slice of cake for me!”

 

9. “Hey, cuz! Your birthday is the perfect excuse for us to plan our next epic adventure. Until then, have a fantastic day, and remember that I’m just a video call away for all your birthday shenanigans. Miss you!”

 

10. “Wishing the happiest of birthdays to my favorite cousin! Although we’re not together, I know we’ll still manage to have a blast. Cheers to another year of our long-distance mischief! Can’t wait to see you again.”

See More: 68 Best Happy 15th Birthday Wishes For Teenage Dreamers

Instagram Birthday Captions For Cousin Sister

1. “Happy birthday to my favorite partner in crime, my cousin sister!”

Instagram-Birthday-Captions-For-Cousin-Sister

 

2. “Wishing you a day as amazing as you are, dear cousin sister. Happy birthday!”

 

3. “Here’s to another year of laughter and fun with my favorite cousin sister. Happy birthday!”

 

4. “Happy birthday to my beautiful, talented, and loving cousin sister!”

 

5. “May your birthday be filled with lots of love, happiness, and cake! Happy birthday to my cousin sister!”

 

6. “To my amazing cousin sister, happy birthday! May all your dreams come true this year.”

 

7. “Another year of amazing adventures with my cousin sister! Happy birthday to you!”

 

8. “Happy birthday to my cousin sister, who makes my life so much sweeter!”

 

9. “Sending you lots of love, hugs, and birthday wishes on your special day, dear cousin sister!”

 

10. “Happy birthday to the girl who brings so much joy and laughter into my life. Love you, cousin sister!”

Instagram-Birthday-Captions-For-Cousin-Sister

 

11. “Wishing my gorgeous cousin sister a very happy and blessed birthday. Have an amazing day!”

 

12. “Happy birthday, cousin sister! Looking forward to many more years of fun and memories together.”

 

13. “Cheers to my wonderful cousin sister! May your birthday be as amazing as you are.”

 

14. “Happy birthday to a truly special and irreplaceable cousin sister. Love you to the moon and back!”

 

15. “To my beautiful and talented cousin sister, happy birthday! May this year be your best one yet.”

 

16. “Wishing you a birthday as wonderful as you are, dear cousin sister. Happy birthday!”

 

17. “Happy birthday to my partner in crime, my cousin sister! Here’s to many more adventures together.”

 

18. “Sending you a huge virtual hug and lots of birthday love, dear cousin sister. Happy birthday!”

 

19. “Happy birthday to my cousin sister, who always knows how to put a smile on my face. Love you!”

Instagram Birthday Captions For Cousin Sister

 

20. “Here’s to the best cousin sister anyone could ask for! Happy birthday, and may all your dreams come true.”

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