20 Pinterest-Worthy 1st Birthday Themes for Boys and Girls

Looking for a Pinterest-worthy theme for your baby’s one-year birthday bash? We made a list of 20 clever ideas for baby boys and girls. Take a look!

1. Wild ONE

Give your wild child a birthday that suits them. Decorate with wild animals from the jungle or an African safari.  

2. Winter ONE-derland

Whether your child has a birthday in December or July, you can create a glistening Winter Wonderland in your home. Browse Pinterest for cute winter-y ideas.  

3. 3, 2, ONE Blast Off

Rocket ships, planets, and all things space. Your baby will have a birthday that is out of this world!  

4. ONCE Upon a Time

Once upon a time, your little princess was born. Break out the sparkly dress, crown, and castle decorations for a royal birthday party. Everyone is guaranteed to have a ball!  

5. Home ONE

Let’s play ball! Let your little batter step up to the plate for their home run—their first year of life. Add some foam finger 1’s to the decorations for a little something extra.  

6. Girls Just Want to Have ONE

One-year-old girls just want to have fun, too! Play “Girl Just Want to Have Fun” as guests arrive with your décor of choice.  

7. ONE-derlust

If your baby has an adventurous heart, a wanderlust birthday would be fitting. Plaster photoshopped images of your baby in the most wondrous destinations.  

8. ABC, ONE 2 3

Keep it educational with this twist on The Jackson Five’s hit song. Decorating will be a piece of cake; all you need is a variety of numbers and letters.  

9. What a ONE-derful World

One year ago, you welcomed your baby to a wonderful world. Showcase this at their birthday party with maps and globes.  

10. ONE in a Million

Your baby is one in a million! There are a few different ways you can go with décor. Here are a few ideas: money symbols, scratch-off tickets, or monopoly.  

11. You Are My ONE-Shine

You can’t go wrong with this classic nursery rhyme. To let your child’s personality shine, place your favorite photo of him/her (face only) in the center of a cutout sun.  

12. ONE Love

Show your little one how much they’re loved on their birthday! For the décor, try paper hearts and family photos.  

13. The ONE & Only _____

The one and only ____ (your baby’s name). Decorate with funny photos of your little one. They make great conversation starters!  

14. Hole in ONE

Time to tee up! A dad-approved birthday theme the whole family can enjoy–golf balls, flags, lots of green, and more.  

15. ONE Shot

Basketball lovers, this theme is for you. One shot. One birthday. One year. One amazing baby to celebrate!  

16. ______ is #1

“(Your baby’s name) is #1!” For a sweet keepsake, you can leave a guest book for people to sign and write their reason for why ______ (your baby) is #1.  

17. Formula ONE

Start your engines. This birthday theme is for the one-year-old racers!  

18. ONE Hit Wonder

Your child is more than a one hit wonder, but he/she will only be one once! Celebrate with fun infant-friendly tunes and music note decorations.  

19. ONE of a Kind

Your little one is truly one-of-a-kind. Why not reflect that in his/her birthday party? For décor, think Poker style (hearts, spades, clubs, diamonds, etc.). Lay out Poker “Chips” for snacks and hand out decks of cards for party favors (traditional for adults and an educational option for the kiddos).  