40 Heartfelt and Humorous Happy Birthday Wishes for Your Sister
Celebrating your sister’s birthday is always special, especially when she’s reaching a milestone like turning forty. Growing up together under the same roof for nearly two decades, you’ve shared countless memories—both joyful and challenging—that have only strengthened your bond. To honor this unique relationship, here’s a carefully curated collection of 40 original birthday messages for sisters. From heartfelt sentiments to lighthearted humor, these wishes are perfect for making your sister’s day truly memorable. Whether you want to express your love, appreciation, or simply make her smile, you’ll find the perfect message to celebrate your wonderful sister!
- When I list the blessings God has given me, you’re at the top of the list!
- I don’t think you always realized how much I looked up to and imitated you as we were growing up. Thanks for always giving me such a positive example to follow. Happy Birthday, sister!
- Happy Birthday to the only one who has known me for my entire life, and still likes me!
- Happy birthday to the coolest and grooviest sister in whole world. I’m so lucky to have not only as a sister but also as my best friend. Love you more!
- I wish you not only happiness, but JOY, on your special day!
- It’s not the number of candles on the cake that matters, but it is the number of years that we have been sisters. Happy Birthday!
- May you know how deeply you are adored and loved today.
- I could not be more proud of the fact that you are my sister!
- There is a friend who is closer than a brother – that would be you, sister!
- When I need inspiration, you’re always the first one I call.
- Loving you as a sister is so easy. Much birthday love to you!
- 40 hugs and double hugs to you today!
- Favorite thing: long talks late at night about absolutely nothing!
- Many people are blessed to call you a friend – I get to call you sister!
- May you get a thousand Happy Birthday wishes today!
- I love you for all the ways you love!
- God was so good to me when He gave me a sister!
- Favorite thing: sharing my heart with you and knowing it is safe.
- You are an incredible sister, daughter, wife, mother, aunt, niece and friend. There are so many who are blessed to have you in their lives!
- When you walk outside, the birds sing!
- As a sister, you give incredible support our family. Thank you!
- We complete each other as only best friends can!
- A bouquet of best wishes on your special day – I love you!
- I remember the fun we had as little girls, and I am so thankful that we still have fun together!
- You are always looking for the good in people. Today we celebrate the good in you!
- I love you to the moon and back – today and everyday.
- If we were a circus, you would be the ringleader and I would be the clown. I wouldn’t want it any other way!
- Blessing upon blessing upon blessing for you today. Happy Birthday!!
- My faith in you is second only to the faith that you have in me. That’s what makes us great sisters!
- Happiness is temporal, but joy is eternal. May you know only joy and peace, from today into eternity.
- I love you more than a fat kid loves cake!
- Today I’ll even let you win. Happy Birthday!
- Favorite memory: Daisy chains and porch swings.
- Let’s have some coffee with that cake!
- I love that you are a princess and love the color pink. That’s what makes you YOU!!
- If it rains today, let’s get an umbrella to share, and go play in the rain!
- Happy Birthday to my best friend, my best confidant, my only sister. I love you!
- Being loved by you means always feeling accepted.
- On the brightest of days, and on the days that are cloudy, I will always be there for you!
- “Happy Birthday” is just another way to say “I Love You!”
- Blessing you with more love than I can adequately express. You are so special to me!