Sisters can be sweet, quirky, supportive, and fun-loving. They can also be annoying, bossy, nosy, and even downright mean. But at the end of the day, you gotta love your sis because, well, Mom said so.
Related: Thoughtful Birthday Greetings For a Sister-in-Law
One of the most obvious (not to mention obligatory) ways to show your sister some love is to send her a message on her birthday. Of course, just as sibling relationships are all over the map, birthday wishes for a sister come in many different forms. To help you find the perfect wording, here’s a big selection of sisterly birthday greetings in a variety of styles.
Heartfelt | Funny | Big Sister | Little Sister | From a Sister | From a Brother | Like a Sister
Heartfelt
Have a special relationship with your sis? Here are some sweet and sincere b-day wishes for her.
- 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.
- Happy Birthday to a great sister, a wonderful friend, and an all-around amazing person!
- Your birthday always reminds me of how lucky I am to have had someone like you to grow up with. Thanks for being you.
- When we were kids, I just wanted to get away from you. Now, I can’t get enough of you! Happy Birthday, sis!
- Happy Birthday to someone who made my childhood a joy. When your sister is your best friend, every night is like a sleepover.
Related: B-Day Wishes For Your Bro
- Happy Birthday to my awesome sister! I’m so glad I get to go through life with you!
- To my beautiful sister… hope your birthday is every bit as fun and amazing as you are!
- Happy Birthday to my friend, confidant, and sometime-therapist. In other words, Happy Birthday to my sister!
- Thanks for being born, sis! Without you, life would be way too boring to even contemplate.
- Happy Birthday, sis! You were my first friend, and you’re still my best!
- Happy Birthday to my wonderful sister. We used to never get along. Now I don’t know how I could get along without her.
- Happy Birthday, sis! Thanks for being you, and for always being there for me.
- The Best Sister Ever deserves the Best Birthday Ever. Hope your day is simply awesome!
Funny
Here are some humorous and irreverent birthday messages for a sister.
- Happy Birthday, sis! Now that we’re older, I’ve come to realize that you’re not half as evil as I thought!
- Your birthday always reminds me of how lucky we were that we didn’t kill each other growing up. Have a great one, sis!
- You’re the most annoying person in the world, but somehow I still love you. Happy Birthday, sis!
- Happy Birthday to the person who witnessed most of my childhood injuries, and caused quite a few of them.
- We used to fight like cats and dogs, but now I think you’re a doggone purr-fect sister. Happy Birthday!
- Happy Birthday to my sister, who keeps me sane… when she’s not driving me crazy.
- As a gift for your birthday, I decided not to tell everyone on social media how old you are today. You’re welcome!
- Happy Birthday to my wonderful sister! It would be nice if everyone could have a sister like you, but I sure as hell ain’t sharing!
- Happy Birthday to my sister, a lady who knows way too many embarrassing childhood secrets about me.
- Happy Birthday to someone who’s like a sister to me. (Oh wait, you’re my actual sister.)
- Happy Birthday to my badass sister!
Big Sister
Here are some birthday messages crafted for an older sister.
- Remember when you liked being older than me? Payback’s a bitch, isn’t it? Happy Birthday, sis!
- Happy Birthday to a big sister who always looked out for me when I was growing up. I wouldn’t have made it this far without you!
- Happy Birthday to my older sister, who looks like my younger sister. Bitch.
- You’ve been my best friend since the day I was born. Happy Birthday, big sister!
- My guardian angel is a year older today. Happy Birthday, sis!
Little Sister
Here are some options for a little sister. If your sissy is still a child, you might also want to check out these birthday wishes for a little girl.
- Happy Birthday, little sis! I’m really glad you were born, even if I wasn’t too happy about it at the time.
- Little sisters are so annoying, especially when their birthdays roll around and you’re reminded that they will always be younger than you.
- Happy Birthday, little sister! I won’t tell everyone how old you are, as long as you don’t tell anyone that I’m even older than you. Deal?
- The best present I ever got was when Mom and Dad brought you home from the hospital. Hope you get everything you want for your birthday, sis. You deserve it.
- Happy Birthday, kid! Remember, no matter how many wrinkles you get or how low your boobs hang, you’ll always be my little sis.
- My little sister is a year older! And yes, I will still hurt anyone who messes with her!
From a Sister
Here are some birthday wishes to a sister from a sister.
- Happy Birthday to my doppelganger (aka my sister)!
- Happy Birthday to my beautiful sister, who happens to look a lot like me.
- Whenever someone says I have half a brain, I tell them it’s because I share it with my sister. Happy Birthday to my sister from the same mister!
- We may not be twins, but we share a heart, soul, and mind. Thanks to you, I will never be lonely in life. Happy Birthday, sis!
- Happy Birthday to my friend, soulmate, and sister! I love you!
From a Brother
Here are some birthday messages to a sister from a brother.
- Hey sis, I was going to get you something expensive for your birthday, but then I realized that just having me for a brother is enough of a present.
- Happy Birthday to the sweetest, smartest, and coolest sister a brother could ask for.
- May your birthday be half as cool as your awesome brother!
- Happy Birthday, sis! I never thought I’d say this, but you turned out to be someone I actually like to hang out with.
- Happy Birthday to an amazing sister, from an appreciative brother.
Like a Sister
Finally, here are some birthday wishes for someone who’s like a sister. For more options, see our article on birthday wishes for a best friend.
- Happy Birthday to a lady who’s like a sister to me. May your day be filled with the same joy you bring to my life.
- Happy Birthday to a wonderful friend. Some people are born with a sister. I found one in you.
- You’re not the sister I was born with, but you’re the sister I choose. Happy Birthday, and thank you for being in my life.
- Happy Birthday, lady! You’re like the annoying little sister I never had!
- We may not be sisters by blood, but we’re sisters by heart. Happy Birthday to one my favorite people of all time!
