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Your baby’s first birthday party is such a huge milestone, and choosing the perfect theme makes it even more memorable. Whether you’re after a sweet animal theme, a fun vehicle party, or a timeless classic, these popular boy 1st birthday themes are guaranteed to delight your little one and your guests. ✨

Planning a party for your son, nephew, or favorite little guy? You’re in the right place!
We’ve rounded up the popular boy birthday themes for 2026—from classic favorites like dinosaurs and pirates to trending ideas like Minecraft and Paw Patrol. Whether you're after something adventurous, budget-friendly, or super creative, this list has something perfect for every personality and age.

2017 brought us many wonderful themes and ideas for parties, and 2018 isn't going to be any different! Be a step a head of the crowd and take a look at our predictions for 2018 party trends from Catch My Party!

2018 PARTY TRENDS FROM CATCH MY PARTY

(Enter our $50 CSN giveaway: Leave a comment here telling us what you want for Christmas. That's it!)

I love posting photos of the gorgeous cakes we get on our site. I'm continually blown away by the talent. Take a look and tell me which one is your favorite. I can't decide.