The Most Popular First Birthday Party Themes for Boys

Your baby boy is ONE! Hooray! First birthdays are exciting for parents and babies. It's a chance to celebrate growth and create lasting memories. Planning a party can be stressful, but Momo Party has these popular themes to inspire your planning.1. “Wild ONE” 

Safari Themed First Birthday

A "Wild One" themed first birthday party is a perfect way to celebrate your baby boy's adventurous spirit and the milestone of his first year. This theme is all about nature, wilderness, and exploring the great outdoors.Transform your party space into a wilderness wonderland with nature-inspired decorations. Check out our Get Wild Collection for animal themed party goods including safari and jungle animal themed plate, cups, napkins, animal shaped balloons and party garlands, streamers with design of greenery, wood accents, and earthy colors like brown and green.

2. “Fast ONE”

Race Car Themed First Birthday

If your little boy is always on the move and has a need for speed, a "Fast One" race car themed first birthday party is going to be the perfect way to celebrate his first year! With a focus on all things fast, fun, and vroom vroom vroom, this theme will have your little guests revved up and ready to go! Check out our Car Collection for race car themed tableware including race car shaped plates, race car checkered flags inspired napkins, table runners and trophy shaped cups, plus this unique race car themed party garland and giant tire inflatable, all can transform your space into a fun race car track for your little car fan!

Carnival/Circus Themed First Birthday

A carnival or circus themed party can be a fun and playful way to celebrate your little boy's first milestone. This theme is all about fun, excitement, and games that will leave your guests feeling like they've stepped right into a carnival! Check out our Carnival Collection featuring circus themed party goods in bright and bold colors like red, yellow, and blue to transform your space into a fun circus. You can even create a mini circus tent and dress it up with fun garlands, circus party fans or streamers for the kids to play in, and add fun props like juggling balls or a mini trampoline. A circus-themed cake can be a great centerpiece for the party, and you can even dress your little one up in a cute clown outfit to match the theme!

4. “ONE-a-saurus”

Dinosaur Themed First Birthday

A dinosaur themed party is a great way to celebrate your baby boy’s first milestone. Decorate your baby’s party with modern dinosaur themed party goods from our Dinosaur Collection and transport your guests back in time to the prehistoric era. Use this giant Dinosaur Garland Set to set a roarsome jungle scene or top your cake with these dinomite cake toppers. And don’t forget these adorable dinosaur balloons in soft pastel colors. They will be so cute for your baby boy’s big day!

5. “ONE Happy Camper”

Camping Themed First Birthday

Looking for a unique and adventurous theme for your baby boy’s first birthday party? A "One Happy Camper" camping theme! This theme is perfect for celebrating the great outdoors and creating a fun and memorable experience for your little one and their guests. From compass shaped plates to brown bear shaped napkins to classic black buffalo pattern party cups, our Camping Collection has everything you need to throw a unforgettable bash. All you need to do is to set up a s'mores station with graham crackers, marshmallows, and chocolate, your guests will have a memorable camping adventure celebration!

6. “First Trip Around the Sun”

Space Themed First Birthday

First birthdays are always special and deserve to be celebrated in a grand way. A "First Trip Around the Sun" party is a perfect way to celebrate your baby's first year on this planet. With space themed party goods like the rocket ship shaped plates, shooting star platters, astronaut napkins and the honeycomb planets garland from our Space Collection, your baby boy’s first birthday will surely be out of this world!

7. “Engine NO. 1”

Fire Truck Themed First Birthday

Sound the alarm! Your little boy is now ONE! These adorable “Engine No.1” fire truck plates and napkins are perfect to celebrate your baby boy’s first birthday. Decorate the party with red, yellow, and black balloons and streamers with this Fire Truck Garland featuring fire trucks, fire hydrants and Dalmatians, along with some hot flame shaped foil balloons from our Fire Truck Collection, your boy’s big day will surely be unforgettable!

8. “ONE Little Monster”

Little Monsters Themed First Birthday

For a fun and playful party, a little monster theme is no doubt an adorable option for your little boy’s first birthday. Our Little Monsters Collection filled with monster themed tableware, goggly eyes balloons, bakeware, decorations and dress-up accessories for party activities. The bright and bold colors of green, blue, and purple will give your little boy’s big bash all the festivities! Lastly, you can even dress your little one up in a monster onesie or outfit to match the theme!

9. First Rodeo 

Cowboy Themed First Birthday

Saddle up for a rootin' tootin' good time at your little cowboy's first rodeo! A cowboy, rodeo Western-themed first birthday bash is perfect for your little wrangler's. Bringing the Wild West to life by setting your party table with thee cowboy shaped hats, bandana napkins, and plenty of country charm. Set the rodeo scene with this amazing rodeo-inspired party garland featuring Western elements like cactus, horseshoes, snakes, cowboy boots and sheriff's batches. Prepare games like lasso toss and horseshoe ring toss, and don't forget to mosey on over to the chuckwagon for some delicious cowboy grub. Your little buckaroo's first year on the trail will sure be a buckin' bronco of fun!

10. “ONE-der the sea”

Under the Sea Themed First Birthday

If your little boy loves the ocean, an under the sea themed can be perfect for his first birthday. Simply create a backdrop with this fantastic sea themes party garland featuring sea creatures like fish, whales, sharks and jellyfish. Or create a balloon arch in different shades of blue and white with some adorable shark balloons or this cute whale balloon with a little crown. These sea themed party goods from our Sea Friends Collection will bring the wonder of the sea to your party and make it a memorable one for your baby shark!

11. “Holy Cow I’m ONE!”

Farm Themed First Birthday

“Holy cow! I’m one!” A farm-themed first birthday party for your little boy is a a playful and fun idea. Use farm animals including cows, sheep, roosters, pigs, rustic decorations, fun balloons and outdoor activities from our Farm Collection to make your little boy’s big bash unforgettable. For food, serve farm-inspired snacks like these DIY popcorn corn-on-the-cob, fresh fruit and veggies. Set up outdoor activities like a petting zoo or use these adorable farm animal walking balloons to entertain your little guests.

12. ONE Happy Dude

One Happy Dude is such a cheerful theme that will work perfectly for for your happy boy who's turning one. Use bright colors like yellow, green, blue, and red to create a cheerful and vibrant atmosphere. Include these checkered plates, napkins and pair them with these happy smiley face dessert plates for a happy tablescape. Decorate the walls with balloons, streamers, and banners from our Good Vibes Collection for a fun and groovy bash!

13. Rookie of the Year

Baseball Themed First Birthday Party

Celebrating your little slugger's first year with a baseball themed party will sure to be a grand slam. From baseball shaped plates to baseball bat shaped napkins, to baseball jersey treat boxes, every detail is designed to make guests feel like they're at the ballpark! Use these adorable baseball helmet shaped plates for hot dogs to peanuts, cracker jacks, and popcorn as party snacks. Your little MVP's first year on the team will surely be a hit!

14. Time Flies!

Airplane Themed First Birthday Party

A "Time Flies" airplane-themed first birthday party is a fun and memorable way to celebrate your little one's big milestone. Decorate with vintage-style airplane themed party goods including plates, cake toppers, balloons, clouds, and travel-inspired elements like these luggage party favor bags. It’s the perfect way to mark how fast the first year has flown by!We hope these popular themes inspire planning your baby boy’s first birthday. With a variety of cute and adventurous options from our curated First Birthday Collections by theme, you can also create unforgettable memories with your loved ones, hassle free!