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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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Shopper Testimonials
“No matter what I order, personalized or not, always great!!!”
Carolyn - Aug 9th, 2025
“I absolutely LOVE Greeting Card Universe. It’s my go to for ALL my cards, as I said bye bye to Hallmark. GCU has any type of card you’re looking for. User friendly website and amazing super fast delivery.”
Lori - Aug 9th, 2025
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Cards per Page:
Cards: 4,626 Pages: 155
Most Popular Newest Show adult cards
Happy 50th Birthday Sister-drawing of two young si…
Sister’s Birthday with ocean sunrise and bicycle c…
Sister,Birthday with Lavender Flowers card
80th Happy Birthday Sister, Magnolia Blossom card
Happy Birthday for Estranged Sister - Purple Butte…
Happy August Birthday Sister Red Poppy Flower Wate…
Birthday sister square funny faces card
Happy Birthday Sister Rainbow Pansy Flowers card
Twin Sister’s Birthday pink tulip bouquet with pol…
Happy Birthday for Sister Pampered Kitty card
Sister, Birthday with a Pink Rose card
Sister Birthday Wishes Bird & Flowers card
Happy Birthday to Sister-Underwater Snorkeling Owl…
Sister Amazing Birthday Puzzle Maze with Dog and B…
Sister Birthday My Incredibly Amazing Sister She i…
For a Sister Happy Birthday, Orange daylily card
Sister Birthday in January. Two Snow Women Happily…
For Sister 75th Birthday White Flowers card
Sister’s Birthday Daisies with Butterflies and Lad…
Best Sister Ever, Happy Birthday, Typography, Faux…
Sister Birthday Every Fiber of My Bean Punny card
For Sister Christian Birthday Cross on Hill card
Sister’s Birthday Lily of the Valley Garden card
Sister’s Birthday No Better Friend than a Sister c…
Humorous Sister From Sister Birthday Card Getting …
For Sister 70th Birthday Greetings with Pink and B…
Sister 50th Birthday - Sneaks Up on You card
Happy Birthday Big Sister Brenda Older Girl with Y…
For Sister Birthday Hummingbird with Honeysuckle P…
Birthday - World’s most purrr-fect sister card
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