40 First Birthday Party Themes for a One-derful Party

It's almost time to celebrate your little one's first trip around the sun. This milestone is the perfect time to invite friends and family and host a memorable first birthday party. There's nothing like the delighted, messy look on your baby's face when they dig into their first birthday or "smash" cake.

Before you jump into party planning, you need to decide on a theme. First birthday parties are very popular, so there are plenty of trendy themes to choose from. The theme can be based on anything your child loves, like their favorite animals, toys, color, book, or movie. To help you get started, we've put together a list of 40 first birthday party themes and ideas to help you plan their special day.

1. Alice in Onederland

Image via Talking Tables.

Inspired by the animated classic Alice in Wonderland, embrace the wonderfully wonky spirit of being a one-year-old with a Mad Hatter tea party.

• • Lean into bold, unexpected color combinations with Alice in Wonderland party supplies, because "We're all Mad Here." 
  • Serve a variety of teas and send guests home with tea favor bags.
    

2. Rookie of the Year

Rookie of the Year Invitation by The Party Darling; Image via My Mind's Eye.

Whether it's spring training or Game 1 of the World Series, your little slugger had the best rookie season. Step up to the plate for a baseball first birthday. 

• • Batter up with a personalized printable baseball party invitation.
  • Combine white and red stitch decor with baseball party supplies.
  • Serve hot dogs, peanuts, and Cracker Jacks for stadium food.

3. Beary First Birthday

• • Use soft neutral decor like beige and cream, with pastel blue and teddy bear party supplies.
  • Have an "Adopt a Bear" station where guests can take home a small stuffed animal.

4. Berry First Birthday

Your child's birthday will be the sweetest celebration of all with a Berry First Birthday. Whether it's strawberries, blueberries, or blackberries, celebrate the sweet and playful nature of your baby's first year. 

• • Use vibrant berry colors, such as red and green, to coordinate with strawberry party decorations.
  • Red velvet cake with strawberry icing makes an adorable smash cake.
  • Set out product baskets with actual berries for snacking, garnishing, and decor. 

5. Come One, Come All

• • Decorate your space like the Big Top, with red and white stripes, and include circus party supplies.
  • Serve popcorn, cotton candy, animal crackers, and peanuts like you're at the circus.
  • Hold traditional carnival games for guests, such as ring toss, rubber duck pond, and balloon darts.

6. Digging Being One

Caution: A one-year-old is at work! Does your little builder love excavators, dump trucks, and construction sites? A construction birthday party may be the best theme for the job.

• • Send out a printable construction birthday invitation to let the crew know when the work begins.
  • Use a yellow, orange, and black color palette and caution tape to section off the party area.
  • Decorate the table and design a backdrop with construction party supplies.
  • Set up a fueling station with a "build your own" snack or nacho bar.

7. Donut Grow Up

• • Invite guests for donuts, food, and fun with a printable donut party invitation. 
  • Blend pastel colors and sprinkle-inspired donut party supplies to set a sweet tone.
  • Use wooden pegboards to create a donut wall to display donuts for easy snacking and photo opportunities.
  • Have a donut smash, an alternative to the traditional smash cake. 

8. Fairy First

Grab your wands and wings, because your little one is the fairy-est one in the land. Create magic moments in the garden or backyard with a fairy first birthday party.

• • Sprinkle edible glitter or "pixie dust" on cupcakes and in drinks for an extra sparkle. 
  • Incorporate fairy garden party supplies, including toadstool plates and balloons

9. Fast One

• • Use red, black, and classic checkered-flag decorations, along with race-car party supplies.
  • Send a printable race car birthday invitation so guests know when to race over.
  • Stock fueling stations and pit stops with donut "spare tires", drinks for "coolants," and pretzel "dipsticks."

10. First Fiesta

Fiesta Birthday Invitation by The Party Darling; Image via My Mind's Eye.

There's no time to siesta with a one-year-old—taco 'bout a fun one. Be the taco of the town and celebrate with a fiesta birthday.

• • Combine lots of yellow, orange, and bright decorations to match the fiesta decorations.
  • A burrito, nacho, and taco bar are a must for a fiesta party. 

11. First Trip Around the Sun

14. Groovy One

Image via JanettLoveShop; Groovy One Invitation by The Party Darling.

• Send a printable groovy one first birthday invitation.
• Use warm, muted retro tones like dusty pink, mustard yellow, and burnt orange.
• Let the good times roll and decorate with peace signs, smiley faces, daisies, and groovy party supplies.
• Spell out "ONE," but replace the letter "O" with a white daisy flower balloon.

15. Holy Cow, I'm One

It's time for a hoedown on the farm, because holy cow, they're turning one. If your little farmer loves farm animals and knows that the cow says "moo," they're ready for a barnyard birthday bash.

• Use red, black-and-white cow print, pink accents, and hay bales.
• Your barnyard decorations wouldn't be complete without a jumbo cow balloon.
• Serve no-bake cookies or "cow patties," Rice Krispies treats as "hay bales," and pigs in a blanket. 

16. Mr. or Miss Independent

Watch out, world, your little firecracker is turning one. A whole year of cuteness, stubbornness, and independence calls for a patriotic first birthday party.

• • Use red, white, and blue party supplies for a star-spangled bash.
  • Serve All-American BBQ, berry fruit skewers, and star-shaped cookies.
  • Invite guests to wear bandannas, denim, or their best 4th of July party outfits.

17. My First Rodeo

Their first year has been a wild ride, so host a Western first birthday to celebrate baby's first rodeo. 

• • Saddle up your hoedown with cowboy and cowgirl party decorations.
  • Have guests wear their finest western wear, cowboy boots, hats, and all

18. O-Fish-Ally One

Fishing Birthday Invitation by The Party Darling; Image via Gatherings by Curated Paperie.

Your little angler is reeling in the big one. Have an "o-fish-ally" amazing time with a fishing-themed first birthday party.

• • Use bold colors like blue, turquoise, and yellow, with pops of red and fishing party supplies.
  • Display a Bait 'n Tackle snack bar with Goldfish crackers, Swedish Fish, and gummy worms. 
  • Have a kiddie pool filled with magnetic toy fish for a fun fishing party game.

19. Oh, The Places You'll Go

Centered around the beloved Dr. Seuss book, this theme is a graduation party theme favorite, but why not for a first birthday party as well? Filled with hope and adventure, bring the book to life for an "Oh, the Places You'll Go" first birthday. 

• • Decorate with soft pastels, globes, and hot air balloons.
  • Ask guests to sign a copy of the book with personal notes, and give it to them at their graduation. 

20. One Happy Camper

Embrace the fun of the great outdoors and gather around the campfire to celebrate your happy camper turning one. A camp-themed birthday party is perfect for outdoor, adventure-loving families and future wilderness explorers—scout's honor!

• • Welcomes guests with a custom "Camp Name" sign that uses the birthday boy's or girl's name.
  • Decorate your rustic space with buffalo plaid, lanterns, wood pieces, and camping party supplies.
  • Set up a build-your-own trail mix bar or a DIY s'mores bar for campfire treats.

21. One in a Melon

One in a Melon Invitation by The Party Darling.

Your child is "one in a million," so celebrate with a summery, fruity watermelon first birthday. 

• • Send out printable One in a Melon invitations 
  • Decorate with a vibrant palette of pinks and greens. 
  • Serve bowls of carved watermelon, fruit salad, and fruit skewers.

22. One in the Sun

It's time to have some fun in the sun for your little ray of sunshine, turning one. Grab your sunglasses for the sweetest spring or summer theme. 

• • Pair sunny yellow, white, and soft pastels with sunshine party supplies, including sun balloons. 
  • Set up a mini splash pad, baby pool, or slip-and-slide in the backyard for guests to cool down.
  • Serve sunny day snack favorites, ice cream, fruit, and lemonade.

23. One Little Cutie

Image via My Mind's Eye.

If your little cutie is turning one, a citrus first birthday party is a bright and cheerful way to celebrate.

• • Use coral, orange, soft peach, white, and hints of leafy green.
  • Set the table with gingham tablecloths, wooden crates filled with fresh mandarins, and orange-themed tableware.
    
  • Serve citrus treats like orange-flavored macarons, cupcakes, and sugar cookies shaped like clementines.
  • Have a mimosa or mocktail bar with freshly squeezed orange juice and clementine garnishes for adults.

24. One Silly Goose

Image via My Mind's Eye.

Having a child can be chaotic and fun, and it's an even more exciting time when the silly goose is one. A One Silly Goose first birthday is the right theme for celebrating your sweet, silly, and oh-so-smiley one-year-old.

• • Honk and celebrate with goose party supplies.
  • Use soft sage greens, creams, and gingham prints for a mix of storybook meadow.
  • Serve deviled goose eggs, cheese, and quackers, and silly skewers of fruit.

25. One Big Adventure

Your little explorer is turning the big one, so let's celebrate a wonderful year of adventures and all the ones they'll have in the future.

• • Send guests custom boarding pass invitations so they know where they're traveling to.
  • Have guests sign a globe and note their recommended travel spots.
  • Serve in-flight snacks like pretzels and Biscoff.

26. One-A-Saurus

Celebrate the dawning of a new era because your little one is turning one! A roarsome dinosaur first birthday will never go extinct.

• • Add green, orange, and brown decor, along with Monstera leaves and dinosaur party supplies.
  • Lean into the fan-favorite Jurassic Park theme.
  • Host a dino dig area using a small sandbox and toy fossils.

27. One-ce Upon A Time

Image via Gatherings by Curated Paperie.

28. One-der The Sea

Under the Sea Invitation by The Party Darling; Image via Gatherings by Curated Paperie.

If your little one is obsessed with fish, sea creatures, or even mermaids, bring the ocean to life for an under-the-sea first birthday adventure.

• • Dive into decorating with under-the-sea party supplies.
  • Serve goldfish, clear jello with gummy sharks "swimming" inside, and cupcakes topped with crushed "sandy" graham crackers and frosted crabs.
  • Of course, a bubble machine is an absolute must-have.

29. Onederful

Isn't She Onederful? And so is Mr. Onederful. Twelve months of cuddles, laughter, and so much love call for a wonderful first birthday.

• • Decorate with creams, soft pinks, and bow party supplies for a Miss Onederful party.
  • Use mustaches, bow ties, and top hats for a Mr. Onederful party.

30. Our Main Squeeze is One

Image via My Mind's Eye.

Looking for a fresh theme for your one-year-old's birthday? A lemon first birthday party is a refreshing choice for an outdoor summer or spring party. 

• • Use lots of yellow (and blue for a Mediterranean vibe) for your lemon party supplies.
  • Serve ice-cold lemonade or pink lemonade at a wooden lemonade stand.
  • Use mason jars for drinks and floral centerpieces.

31. Pinch Me, I'm One

It's summertime, and your little catch is turning one. Let the good times boil and celebrate their first year with a backyard crawfish-boil birthday.

• • Feature warm reds, sunny yellows, navy, and white for a nautical touch.
  • Use a gingham or nautical striped table runner, paired with seafood boil party supplies.
  • It wouldn't be a seafood boil if you didn't serve lobsters, crawfish, clams, corn on the cob, and potatoes.
  • Protect clothes from butter drips and flying shell pieces with disposable plastic bibs.

32. Sesame Street

It's fun to be one! Elmo, Big Bird, Cookie Monster, and Abby Cadabby have brought joy to children for generations, making a Sesame Street theme a timeless choice for first birthdays. 

• • Use a mix of bright, colorful decorations at your venue, like the show itself.
  • Be the coolest party on the block with your child's own custom-name street sign.

33. Some Bunny is One

Image via Meri Meri.

• • Use a pastel color palette like baby pink, mint green, peach, sage, and cream.
  • Turn your space into a spring garden party with fresh florals, gingham patterns, and bunny party decorations.
  • Serve carrot-shaped veggie trays, cookies decorated as bunny faces, and a white bunny-eared cake or "smash cake" for the birthday boy or girl.

34. Super One

Image via Daydream Society + Jollity & Co.

From a tiny newborn to a "super" one-year-old, they've had a heroic first year. Celebrate your one-der boy or one-der woman's not-so-little superpowers with a superhero's first birthday party.

• • Use bright primary colors like blue, red, and yellow.
  • Decorate with comic-book "POW" signs and superhero party supplies.
  • Craft a skyline photo backdrop from black and grey cardboard boxes and yellow paper squares. 
  • Add their favorite superhero characters, like Batman, Superman, Spider-Man, Iron Man, or Wonder Woman.

35. Sweet One

What's a better way to celebrate than by honoring just how special your little one is with a deliciously sweet celebration.

• • Use pastel tones, with soft pinks, blues, purples, yellows, greens, and oranges.
  • Have a dessert table or candy bar overflowing with different kinds of sweet treats.
  • Use a donut shape as the "o" in "one" for party invitations and all the decorations.

36. Time Flies

Image via PartyDeco.

It seems like just yesterday you were bringing your newborn home for the first time. Time "flies," so celebrate your little aviator with an airplane first birthday. 

• • Make your party feel like a first-class ticket with airplane party supplies.
  • Fill your space with blue and white decorations to resemble clouds in the sky.
  • Serve pretzels, Biscoffs, and ginger ale. 

37. Unicorn

Your one-year-old is one of a kind, just like a magical unicorn. Start your child's one whole year of life celebration on the right horn with a unicorn first birthday party. 

• • Magical unicorn party decorations, like giant standing unicorn balloons.
  • Mix in soft pinks, mint greens, lilacs, and iridescent sparkles.
  • Serve funfetti cupcakes topped with pastel icing and a mini unicorn face for the smash cake.

38. Wild One

Image via PartyDeco.

39. Winter Onederland

Don't let the holidays overshadow their winter birthday. Turn a cold-season gathering into an enchanting winter wonderland.

• • Use white as your primary color, with touches of blue, purple, and iridescent sparkles.
  • Decorate with snowmen, polar bears, skis, snowflakes, and other winter wonderland decorations.
  • Serve frozen beverages and snowcones for fun, or craft a warm hot chocolate bar for a cozy vibe.

40. Winnie the Pooh

Your little hunny bear is turning one, and it's no bother at all to celebrate with Winnie the Pooh and his Hundred Acre Wood pals. 

• • Blend greens, browns, and woodland elements to set the scene in the Hundred Acre Woods.
  • Highlight Pooh's favorite food with honey pots and golden yellow honeycomb accents. 
  • Play pin the tail on Eeyore. 

 

Plan a First Birthday Party with The Party Darling

Now that you've found the best first birthday party theme for your family and child, it's time to start planning the details. All of our themed party collections include everything you need to set the table and decorate your space, making party planning easy. From tableware to food decorations and shaped and foil balloons, we love being part of your special occasion and this joyous milestone in your child's growth and your parenthood.