Party Planning

The Best First Birthday Party Theme Ideas for One Year Old Girls

May 30, 2024

If you’ve caught yourself aimlessly scrolling through Pinterest for your girl’s first birthday party, let me help you narrow it down!

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Planning a first birthday party is a big deal! You kept your mini human alive for an entire year… that’s definitely cause for a celebration 😉 😂

In all seriousness, I totally get it. I’ve been there. Trying to pick a theme for your baby girl’s first birthday party is sometimes the hardest part of party planning. If you’ve caught yourself scrolling through Pinterest and pinning way too many different ideas for your girl’s first birthday party, let me help you narrow it down with some of my favorite first birthday themes for one year old girls. And the best part, I even included some holiday first birthday party theme ideas for Valentine’s Day, Halloween and Christmas!!

One Groovy Babe Birthday Theme

This first birthday theme is for those who want to celebrate in style!!! Invite your grooviest friends to your one year old’s first birthday with this far out One Groovy Babe Retro First Birthday Party theme featuring a 70s-inspired vibe with a peace sign, rainbow, disco ball, fun daisy accents and muted colors! Get down with this hip and trendy girl first birthday theme idea!!

One Groovy Babe Birthday Theme for Girls

One-A-Saurus Dinosaur First Birthday Theme

This party theme is typically used for boys, but that’s crazy!!! If you have a dino loving little girl, we have the perfect printable invites for you!!! Available in 2 color schemes (and lots more too if you shop the full collection below), this prehistoric theme is sure to be perfect for your little girl’s first birthday!

One-A-Saurus Dinosaur First Birthday Theme for girls
One-A-Saurus Dinosaur First Birthday Theme for girls

Dainty Wildflower First Birthday Theme

With inspiration taken from the warmth and beauty of dainty wildflowers, this theme is perfect for spring and summer, but really any time of year you’re hosting the girl first birthday party!

Dainty Wildflower First Birthday Theme for girls

First Year Down Football Birthday Theme

This is one of our very best sellers!! Our “First Year Down” Football theme is a fan favorite for a reason. With a neutral color palette, pops of pink for your sporty girl, modern fonts and trendy watercolor elements, this entire collection (Yes! We have sooo much more than just an invitation in this theme) is bound to score big for your little girl’s first birthday!

Pink Smiley One Happy Babe Birthday Theme

Celebrate your little one’s first birthday with our adorable One Happy Babe Pink Smiley Birthday Invitation Printable! With a playful and colorful design this is perfect for a trendy pink smiley and checker themed party for your happy baby!!

Pink Smiley One Happy Babe Birthday Theme FOR GIRLS

One Prickly Pair Twin Birthday Theme

Have twin girls and struggling to find a theme you love that’s perfect for both of them? We love this “One Prickly Pair” Cactus twin first birthday party theme featuring two sassy cacti in muted colors. Pair this with some neutral and trendy decor and your guests will be *prickled* pink to join the celebration! We also have a Taco themed photo invite with more vibrant colors which has been a huge hit as well!!

One Prickly Pair Twin Birthday Theme for girls
One Prickly Pair Twin Birthday Theme for girl twins

One In The Sun Summer Pool Party Birthday Theme

This editable design features a bright and colorful design with fun fonts and adorable floaties perfect for a summertime pool party for your little girl!!

One In The Sun Summer Pool Party Birthday Theme for girls

Modern Farm Girl Birthday Theme

Do you have a little girl who just loves animals and the outdoors? Then our “Farm Girl” Birthday Printable Collection might be perfect for her upcoming birthday party theme!! This adorable modern farm birthday party decor printable collection features colorful designs AND all your girl’s favorite farm animals!! This would be perfect for an outdoor birthday party any time of year.

Pastel Daisy First Birthday Theme

Celebrate your little’s birthday with our beautiful printable invite featuring watercolor pastel daisies and modern fonts. AND this is perfect for any age since it’s fully customizable in Canva!! We love this theme idea for a spring or summer party for your littlest girl 🙂

Pastel Daisy First Birthday Theme for girls

Magical One Unicorn & Rainbow Birthday Theme

What little girl doesn’t love rainbows and unicorns! We love this super vibrant and colorful theme for your girly girl!!! With the doodle-like font and drawings, this theme is bound to be a hit with your one year old and your guests of course!

Magical One Unicorn & Rainbow Birthday Theme for girls

Sweetheart Conversation Hearts Valentine Birthday Theme

Our pastel Valentine’s Day Collection (yes, there are sooo many printables for this theme and even for a Baby Shower too!!) is perfect for a sweet little girl’s February birthday! With inspo taken from the classic Conversation Hearts candy, it’s perfect for a girly party anytime around Valentine’s Day!

One Spooky Babe October Birthday Theme

Birthday themes are hard to come by for little one’s born around the holidays! If you have an October baby or a Halloween baby, this might be the perfect theme for you!! Our printable invitation template features an adorable ghost ‘n’ pumpkin duo, all dressed up in retro, girly colors. You can promise your guests no tricks, just treats with this fun Halloween birthday party theme!!

One Spooky Babe October Birthday Theme for girls born around Halloween

Oh What Fun Christmas Birthday Theme

Christmas babies are the sweetest, but I know it’s hard to find cute first birthday party themes for those December babies without getting caught up in all the holiday hustle and bustle! But our “Oh What Fun” birthday party invitation can help you celebrate the magic of your little one’s special day despite the busy holiday plans! Bonus… your house is likely already decorated for Christmas so use that as a guide when planning this party!

Oh What Fun Christmas Birthday Theme for girls born around the holidays

We sincerely hope you’ve found this helpful! Like we said, as a team of mama’s ourselves, we know party planning can be stressful so hopefully these first birthday party ideas for girls helped you at least conquer the first step of setting a theme!

If you do decide to use any of our templates, first let us say “thank you!!!” You’re support of this small business helps us more than you know! Secondly, we want to make sure you know ahead of time a few things you might want to consider having on hand when using our printables to ensure you have everything you need come party day:

*Recommend items may contain an affiliate link, meaning that we will receive a small commission if you decide to make a purchase through these links, at no cost to you. As an Amazon Associate, I earn from qualifying purchases.

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I'm Shannon, a Montana Mama

Owner and designer behind High Peaks Studios. I love to design unique, bold and fun printable templates that help create a cohesive look for your event, whether big or small!

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