First Birthday T-shirts

Shop personalised birthday t-shirts for children and families, perfect for parties, photos and special celebrations. Our custom birthday t-shirts can be designed with names, ages and fun themes, making them ideal for matching family outfits or standout birthday looks. Comfortable, stylish and made to last beyond the big day.

Showing all 13 results

Personalised Birthday Princess Dress | Custom Name & Age Birthday Outfit
£18.00

A magical personalised Birthday Princess dress featuring your child’s name and age. Perfect for birthday parties, cake smashes, photoshoots and princess celebrations.

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Personalised Boss Baby Birthday T-Shirt
£15.00
Celebrate your little one’s special day with a personalised Boss Baby birthday t-shirt. Customised with any name and age, perfect for birthday parties, cake smash photos, family celebrations and memorable birthday pictures.

Select options This product has multiple variants. The options may be chosen on the product page
Personalised Cars Birthday T-Shirt – Lightning McQueen Inspired Birthday Outfit
£15.00
Make their birthday extra special with this personalised Cars-inspired birthday t-shirt featuring their name and age. Perfect for birthday parties, cake smashes, family celebrations and memorable birthday photos.

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Personalised Cocomelon Birthday Girl T-Shirt – Girls Birthday Outfit
£15.00
Celebrate your little one’s special day with this adorable personalised Cocomelon Birthday Girl T-Shirt. Customise with any name and age to create the perfect birthday outfit for parties, photos, nursery celebrations, and magical birthday memories.

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Personalised Gabby’s Dollhouse Birthday T-Shirt – Girls Birthday Outfit
£15.00
Celebrate your little one’s special day with a personalised Gabby’s Dollhouse birthday t-shirt featuring any name and age. Perfect for birthday parties, cake smash photos, family celebrations and Gabby’s Dollhouse fans.

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Personalised My First Rodeo Birthday T-Shirt
£15.00
Giddy up for the cutest celebration ever! Our Personalized My First Rodeo First Birthday T-Shirt is the perfect way to mark your little one’s big milestone in true cowboy or cowgirl style. Made with ultra-soft, breathable cotton, this adorable tee is customized with your child’s name and age, making it a cherished keepsake long after the party ends.

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Personalised ONE Cowboy First Birthday T-shirt
£15.00
Make their birthday extra special with this ONE Cowboy birthday t-shirt! Featuring safari animals design personalised with your child’s name and age, it’s the perfect outfit for little fans who love fun characters and birthday celebrations.

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Personalised ONE Cowgirl Birthday T-shirt
£15.00
Make their birthday extra special with this adorable cowgirl first birthday t-shirt! Featuring a pink rodeo design personalised with your child’s name and age, it’s the perfect outfit for little fans who love fun characters and birthday celebrations.

Select options This product has multiple variants. The options may be chosen on the product page
Personalised Pink Cars Birthday T-Shirt – Girls Birthday Outfit
£15.00
Celebrate your little girl’s special day with a personalised pink Cars birthday t-shirt featuring any name and age. Perfect for Cars fans, birthday parties, cake smash photos and memorable birthday celebrations.

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Personalised Roarsome Birthday Boy Dinosaur T-Shirt
£15.00
Celebrate your little dinosaur fan’s special day with this adorable personalised dinosaur birthday t-shirt! Featuring cute watercolour dinosaurs, a flying pterodactyl, birthday balloon and custom name, it’s the perfect outfit for birthday parties, cake smashes and memorable photos.

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Personalised Spiderman Birthday Boy T-Shirt
£15.00
Make your little superhero’s birthday unforgettable with this personalised Spider-inspired birthday t-shirt. Featuring a custom name, age number and bold superhero-themed design, it’s perfect for birthday parties, cake smashes and special birthday memories.

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Personalised Waffle the Wonder Dog Birthday T-Shirt – Children’s Birthday Outfit
£15.00
Celebrate your little one’s special day with a personalised Waffle the Wonder Dog birthday t-shirt featuring any name and age. Perfect for birthday parties, cake smash photos and Waffle fans.

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Personalised Wild One Birthday T-shirt
£15.00
Make their birthday extra special with this adorable Wild One birthday t-shirt! Featuring safari animals design personalised with your child’s name and age, it’s the perfect outfit for little fans who love fun characters and birthday celebrations.

Select options This product has multiple variants. The options may be chosen on the product page