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.

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.

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 ...