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Birthday Cards for Sister

Browse our collection of birthday cards for sisters! What relationship in your life is more special than the one you share with your sister? No matter what stage of life you are both in, whether she is older, younger or even a twin, we have the perfect card to express your heartfelt birthday wishes. Our birthday cards for sisters cover the gamut from sweet and sentimental to funny and sarcastic.

We offer cards for milestone birthdays, pretty cards, sentimental cards, trendy cards, humorous cards and cards that can be customized to say just what you want. You can even add a picture to make your card truly one-of-a-kind. Don't settle for another generic card off the rack, create a personalized card that she'll cherish as a keepsake for years to come! Once you find the perfect birthday card for your sister, we'll print and mail it the next day!
Birthday Cards for Sister

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Birthday (187,009)
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Shopper Testimonials
“I and others in my family have ordered from Greeting Card Universe for several years now and we have loved them all! It's especially nice to be able to add our own messages to the cards as we prefer most times. The delivery and quality of the products are all of the highest standards. We are always happy with the cards we give and the joy they evoke in those who receive them.”
Diane - Jun 30th, 2025
“Beautiful card! It truly exceeded my expectations! I have ordered cards from Greeting Card Universe in the past and have never been disappointed.”
Susan - Jun 28th, 2025
Cards per Page:
Cards: 4,692 Pages: 157
Most Popular Newest Show adult cards
Just Like Mom-Funny Birthday Card for Sister-Shoot…
Sister Happy Birthday Cake Make a Wish Custom card
Happy Birthday for Sister - Purple Butterfly card
Happy Birthday for Big Sister Mouse and Sunflowers…
Happy Birthday Sister Cute Cat in Party Hat and Bo…
Sister 60th Birthday - Sneaks Up on You card
Happy Birthday Big Sister, Simple Pink rose card
Sister Birthday Butterlies Hand Lettering card
Sister Birthday Blue Crescent Moon and Stars card
Happy Birthday for Sister Customizable Name Dark S…
Hand Lettered Birthday for Sister Cupcake with Can…
Sister, You make my days brighter card
Birthday Card For Sister, Sis, Wanted To Get You S…
A’moosing’ Happy Birthday for Sister Moose with Ba…
Hand Lettered Birthday for Big Sister with Tiered …
75th Birthday, Sister, Pink Rose card
For Sister’s 60th Birthday Vintage Rose Garden car…
Seventieth Birthday Card Cartoon Bear My Sister’s …
Sister Birthday Wishes Pink Roses card
Hand Lettered Birthday to Sister with Watercolor F…
Sister Birthday Wishes with Fractal Flowers on Dar…
Sister Birthday Vintage Girls in Apple Tree card
Sister Happy Birthday Flower Plant Pots card
65th Birthday, Sister, Pink Rose card
Sweet smart sassy - birthday sister card
Sister’s 60th Birthday Balloon Bouquet card
Wine Sister Happy Birthday Toasting Wine Glasses, …
December Birthday Sister, Snow woman Shopping card
Birthday to Sister Vintage Photo Gingham card
Sister’s 65th Birthday Vintage Rose Garden card
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