Cousins are often our first friends. You grew up at the same holiday tables, and some cousins end up closer than siblings. A birthday card is an easy way to keep that connection going.
Below are 50 birthday wishes for a cousin, including short and heartfelt messages, funny wishes, and wishes for a cousin who is like a sister or brother.
Article contents
- How to Write a Birthday Card for Your Cousin
- Short Birthday Wishes for a Cousin
- Heartfelt Birthday Wishes for a Cousin
- Birthday Wishes for a Cousin Who Is Like a Sister
- Birthday Wishes for a Cousin Who Is Like a Brother
- Funny Birthday Wishes for a Cousin
- Birthday Wishes for a Cousin Far Away
- Birthday Wishes for a Younger Cousin
- Religious Birthday Wishes for a Cousin
- How to Sign the Card
- Frequently Asked Questions
How to Write a Birthday Card for Your Cousin
- Start with "Happy birthday" and their name.
- Mention a shared memory. A holiday, a summer or a family story works well.
- Say what they mean to you. One line is enough.
- Close with a plan or a wish. "Let's get together soon" keeps it warm.
Example: "Happy birthday, Jess! I still think about those summers at the lake with Grandma. Let's plan a visit this spring. Love, Katie"
Short Birthday Wishes for a Cousin
- Happy birthday, cousin!
- Happy birthday to my favorite cousin. Don't tell the others.
- Cheers to another year, cousin.
- Happy birthday to the best part of every family reunion.
- Here's to a great birthday and a year full of good news, cousin.
- Happy birthday, cuz. Have a good one.
- Sending birthday love from your favorite relative.
- Happy birthday to my cousin and my friend.
- Hope your birthday comes with cake, good company and no dishes.
- Happy birthday! Let's celebrate soon.
Heartfelt Birthday Wishes for a Cousin
- Growing up with you made every holiday better. Happy birthday.
- You were my first friend, and you are still one of my best. Happy birthday, cousin.
- Some of my favorite memories have you in them. Here's to making more.
- I'm so glad we are family, and even more glad we are friends.
- Thank you for always being there, from sleepovers at Grandma's to now. Happy birthday.
- You make our whole family more fun. Happy birthday.
- Life got busy, but you still feel like home. Happy birthday, cousin.
- I'm proud of the person you have become. Happy birthday.
Birthday Wishes for a Cousin Who Is Like a Sister
- You're my cousin by birth and my sister by choice. Happy birthday.
- Happy birthday to the closest thing I have to a sister.
- We shared clothes, secrets and a lot of summers. Happy birthday, sis.
- No one gets my jokes like you do. Happy birthday to my cousin and honorary sister.
- Thanks for being the sister I never had. Have a wonderful birthday.
Birthday Wishes for a Cousin Who Is Like a Brother
- Happy birthday to my cousin, my partner in crime and basically my brother.
- You taught me how to throw a baseball and how to get out of trouble. Happy birthday.
- Happy birthday to the brother I got from my aunt and uncle.
- Cousin, brother, best friend. You are all three. Happy birthday.
- Here's to more fishing trips and late-night talks. Happy birthday, cuz.
Funny Birthday Wishes for a Cousin
- Happy birthday to the cousin who still owes me for that broken lamp.
- We are cousins, so I'm required to say you're my favorite. Happy birthday.
- Happy birthday! Don't worry, I won't tell the family how old you are.
- Of all the cousins, you are definitely in the top ten. Happy birthday.
- Happy birthday to the only cousin who can beat me at cards. For now.
- Remember when we thought 30 was old? Happy birthday anyway.
- Happy birthday to my favorite cousin, and yes, I say that to all of them.
- Another year older and still the kids' table champion. Happy birthday.
Birthday Wishes for a Cousin Far Away
- Miles apart, but you're always on my mind. Happy birthday, cousin.
- Wish I could be there to celebrate with you. Cake is on me next time.
- Sending love across the miles on your birthday.
- Counting down to our next visit. Happy birthday!
- Distance can't change family. Happy birthday from far away.
Birthday Wishes for a Younger Cousin
- Happy birthday to my little cousin who is not so little anymore.
- I remember when you were tiny. Now look at you! Happy birthday.
- Happy birthday! I hope this year is full of fun and adventure.
- You're growing up so fast, cousin. Have the best birthday.
- Happy birthday! You're officially my favorite little cousin.
Religious Birthday Wishes for a Cousin
- Happy birthday, cousin. I thank God for you and our family.
- Praying for a year of good health and good times for you, cousin.
- May the Lord watch over you this year and always.
- Grateful to share faith and family with you. Happy birthday.
How to Sign the Card
"Love," "Your favorite cousin," "Cheers" and "Talk soon" all work.
Frequently Asked Questions
What do you write in a cousin's birthday card?
Wish them a happy birthday, mention a memory you share, and add one line about what they mean to you. Two or three sentences is plenty.
What do I write to a cousin I am not close to?
Keep it short and kind: "Happy birthday! I hope this year is a great one for you." If you would like to be closer, add "Let's catch up soon."
What is a good short birthday message for a cousin?
"Happy birthday to my cousin and my friend" and "Happy birthday to the best part of every family reunion" both fit any card.
Need more ideas? See our guide to what to write in a birthday card or use the Message Finder. Our Happy Birthday Assorted Cards and Vintage National Park Cards are blank inside, so any of these messages will fit. See all birthday cards.
Birthday wishes by who you are writing to: Mom, Dad, your husband, your wife, your sister, your brother, your son, your daughter, an aunt or uncle, a niece or nephew, in-laws, Grandma, Grandpa, grandchildren and a friend.
