Sister celebrating her birthday? Looking for birthday messages for the sister? You came to the right place! With over 150+ original ideas for messages and card quotes to choose from you are sure to impress your sister with a unique and personal to share with your sister on her big day!


  1. Thanks for being a great sister and understanding me, although I have never quite understood you. Happy Birthday.
  2. Sister, you were the first best friend of my life and you’ll remain my BFF forever. Wishing you a Happy Birthday.
  3. Thank you for being my greatest inspiration and my best friend, Happy B’Day darling.
  4. I hope you know how much I love you, my sis. Happy Birthday.
  5. Though even the sun will one day run out of energy, my love for you will never fail. It will survive to the last day of the universe. Happy Birthday.
  6. I know you have been through so many hard times, but you never gave up. You are my idol and the strongest women in this entire world. You have such a positive approach. Wish you Happy Birthday.
  7. If I use a single compliment for you that would be very little and if I use all the compliments for you then still that will not be enough to describe you, my loving sister. Happy Birthday.
  8. I never dreamt of being the only child of our parents because I always wanted you to be my sis. Happy Birthday.
  9. Sometimes maybe you fight with the sisters, but you finish it up like a best friend. Happy Birthday.
  10. Sisters like you are diamonds. They sparkle, they are priceless and they are truly a woman’s best friend. Happy birthday sis.
  11. Wishing a Happy Birthday to my amazing sister. I hope all your dreams will come true.
  12. Sister, you’ve already done the hard part of growing old. Now let me handle the hard part of planning a party. Happy Birthday!
  13. There is no complaining about getting older until you find your first grey hair.
  14. I do not talk to you every day anymore, but you are still in my heart every day. Happy Birthday, Sister.
  15. When I look at you, I feel like I am looking at myself in the mirror. When I look at myself in the mirror, I see you. Happy birthday, sis.
  16. Raising my glass today to toast my beautiful sis, you are truly one of a kind.
  17. Sisters always know better how to care. Today, it’s my turn to give you back. Happy Birthday, sis
  18. Have a wonderful Happy Birthday. You are so special to me that I wish that your every single day becomes special like today.
  19. Wishing Happy Birthday to my delightful, incredibly charming and exceptionally talented sister.
  20. Sister, I believe that you are my everything and that I couldn’t ask more. I consider myself as the luckiest to find you as my sis. Happy Birthday.
  21. Sisters are very similar to the best friends. Often you never know that they are keeping a close and caring eye on you, so that nothing can bother your happiness. Happy Birthday.
  22. Sister, I’m really thankful to you for being an excellent friend of mine. I’m wishing you a Happy Birthday.
  23. Wishing my best friend and amazing sister a big Happy Birthday. This special day is only made for you.
  24. A true sister is the very embodiment of love and care. I know this is true because I’m lucky enough to be your brother. Have a wonderful birthday!
  25. How incomplete would one earring look when worn without the other? That is how I would look without you. Happy birthday.
  26. I like you so much that I put your photo in my wallet instead of that attractive one that came with it. Happy Birthday.
  27. Thanks for understanding me so much, I cannot imagine my life without your magical touch. Happy birthday.
  28. I have always loved you and will continue to do so. On your birthday I send you my best wishes, love, and greetings. Hope you have a fabulous birthday!
  29. I feel so lucky that my dear sister is my true friend. Happy birthday, you are the best!
  30. You are the most amazing, beautiful and strongest person I’ve ever met. I’m really proud to find yourself as my sister. Happy Birthday.
  31. Sister, it’s a very special day in your life, let’s cut the cake and multiply the happiness. I love you. Happy Birthday.
  32. Neither of us is perfect but our imperfections make us the cute siblings that we are. Happy birthday.
  33. There might be thousands of sisters in this world, but to me, you are the best sister without any doubt. Happy Birthday!
  34. Sis, you have always been there for me. On your birthday, I just want to say thank you, I love you, and anything you need is yours. Happy Birthday!
  35. Sisters not only share clothes and accessories but they also share a life together. Happy Birthday!
  36. Some say that wishes are for the stars, but I can wish you too because I know you’ve already become a star in my life. Happy Birthday, sister.
  37. You are the reason for whom my childhood days were so colorful and I had so much fun. Thank you for all those wonderful memories. Happy Birthday, sis.
  38. I wish you a life full of wonder, joy, and prosperity. It’s very easy for me because I always want the best for my lovely sis. Happy Birthday.
  39. Thanks for being a great sister and understanding me, although I have never quite understood you. Happy Birthday.
  40. I love how different you are from me, while still being my sister… Happy Birthday to my beloved sister!
  41. Happy birthday, gorgeous! I am grateful for the magical time that we spend together, sis. Be happy!
  42. 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!
  43. I want to wish a very Happy Birthday to the most happening and smart sister in this entire universe.
  44. Though even the sun will one day run out of energy, my love for you will never fail. It will survive to the last day of the universe. Happy Birthday.
  45. Pharmaceutical companies should take a few swabs of your DNA and bottle its chemical composition to create a product called Emotional Healer. Happy birthday, sis.
  46. Sis, I always valued your every single advice and applied them in my life. You have helped me to become responsible for the family. Happy Birthday.
  47. You are one more year wiser and about two minutes away from grabbing a cocktail.
  48. There are so many sweet memories of our old days that can easily make large stories. I can remember all of them because I cherish them forever. Have a Happy Birthday, sister.
  49. You are the one who has taught me what love and care is. Happy birthday my dear, wonderful, sister!
  50. It is obvious that you cannot stop having your birthdays and more precisely you can’t stop being my lovely sister. Both these things are really good. Wishing you a Happy Birthday.