Happy birthday, cousin! Let’s get this party started. Love you, cuz! Happy birthday, built-in bestie! It’s cake day, cousin! Let’s get to it! You’re simply the best, cousin.

50 ways to wish your cousin a happy birthday Choose a short and sweet birthday wish from the list below, or say it with a thoughtful quote. March 20, 2025, 3:41 PM EDT ...

Happy birthday, dear cousin! It’s been a while since we’ve talked, but that doesn’t mean I’m not thinking about you on your special day. It’s time to celebrate like we used to.