⭐ 20% OFF when you set 3 birthday reminders

⭐ Never miss a birthday again · Set 3 reminders and get 20% off your next card · Set reminders

Cousin Birthday Cards Ideas

Celebrate your cousin's special day with our delightful collection of birthday card ideas! Whether your cousin is a quirky comedian, a nature lover, or a sports fanatic, we have the perfect card concepts to match their personality and make their birthday unforgettable. Explore creative designs, heartfelt messages, and fun themes that will bring a smile to their face and show just how much you care. From simple DIY options to unique store-bought selections, our ideas will inspire you to create something truly special that celebrates your cousin's individuality. Let’s make this birthday one to remember!

Create your own card Browse ideas

Fast US & Canada delivery

eCard from $0.99

Printed in North America

A 18th birthday card for other with Cousin, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

A 18th birthday card for other with Cousin, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

A warm birthday friend card with a bright greeting card feel and space for your personal message. Edit, personalise, change the name and face swap online.

Browse Cousin Birthday Cards Ideas

Click any idea to start creating your own version.

A 18th birthday card for other with Cousin, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 18th birthday card for other with Cousin, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A warm birthday friend card with a bright greeting card feel and space for your personal message. Edit, personalise, change the name and face swap online.

Make one like this

A birthday card for child with Diva, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Dog, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Dog, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Dog, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Dog, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Car, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Car, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Car, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Car, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

Seen an idea you like? Make it personal.

Add their face, name, pet, subject, job role or inside joke and we'll do the rest.

Create a personalised card

A 35th birthday card with Car, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Dog, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Dog, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Dog, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Dog, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Renault sport car track day, made for an easy personal touch. Edit, personalise, change the name and face swap online.

Make one like this

A 35th birthday card with Renault sport car track day, made for an easy personal touch. Edit, personalise, change the name and face swap online.

Make one like this

Celebrate their birthday with a Coca-Cola inspired card made for someone special and a cousin. Edit, personalise, change the name and face swap online.

Make one like this

A birthday card with coca cola, made for a personal feel and an easy send in a few clicks. Edit, personalise, change the name and face swap online.

Make one like this

Celebrate their birthday with a playful Coca-Cola themed cousin card that brings a cool. Edit, personalise, change the name and face swap online.

Make one like this

Wish your favourite nephew and cousin a happy birthday with a funny card that blends Lego builds, rugby cheers, and holiday joy. Warm, playful, and sure to bring a smile to their day.

Make one like this

A funny 50th birthday card for cousin with flowers, made for an easy personal touch. Edit, personalise, change the name and face swap online.

Make one like this

Why choose Silly Robot Cards?

Made for them

Add faces, pets, names, subjects and inside jokes.

No boring templates

Start from an idea, then make it completely yours.

Printed in the UK

High quality cards, printed and posted fast.

E-card from £0.99

Send instantly while the printed card is on its way.

Frequently asked questions

Can I personalise the card with a face or pet?

Can I make a card from one of these ideas?

Can I edit the design before ordering?

Can I send the card as an eCard?

How long does delivery take?

What if I can't find the idea I want?

More card ideas to explore

Sparkly 18th Cousin Wishes Sparkly 18th Cousin Birthday Cheer for Friend Pink Diva Birthday Joy 35th Birthday Racing Vibes 35th Birthday Racing Ride 35th Birthday Racing Hound 35th Racing Dog Surprise 35th Racing Thrills 35th Racing Vibes

Still can't find the idea you want?

Describe it and we'll create it for you in seconds.

Describe my idea

Fast UK delivery

Printed & posted to your door

E-card from £0.99

Send instantly or schedule for later

Made with love

Designed & printed in the UK

100% happiness guarantee

Not happy? We'll make it right.

Silly Robot Cards

Ridiculous cards. Real laughs. Made personal with AI.

Twitter Facebook Instagram TikTok

Explore

Search Blog About Contact Us

Policies

Refunds & Returns Policy Acceptable Use Policy Terms of Service Cookies Policy Privacy Policy

Operated by Gleeboard Ltd

© 2026 Silly Robot Cards. All rights reserved