31st Birthday Cards For Sister

If you are looking for the perfect card to wish your sister a happy 31st birthday, there are plenty of options available. Whether you want to go for something sentimental or funny, there are cards that cater to all tastes. Make sure to choose a card that speaks to your sister's personality and lets her know how much she means to you on her special day. A thoughtful and personalized birthday card can make all the difference and show your sister just how much you care about her.

woman celebrating birthday

Most Popular Cards

Funny Vintage 1920s Older Sister Birthday Card Funny Vintage 1920s Older Sister Birthday Card

$3.97

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Happy Birthday Name or Relation Colorful Candles Card Happy Birthday Name or Relation Colorful Candles Card

$3.97

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Sisters Photo Pink Birthday Card Sisters Photo Pink Birthday Card

$4.17

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STUNNING SISTER FLORAL BIRTHDAY CARD STUNNING SISTER FLORAL BIRTHDAY CARD

$3.97

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"You and I" Birthday Card for Sister

$3.97

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Sister 6 Photo Collage Any Age Big Birthday Card Sister 6 Photo Collage Any Age Big Birthday Card

$9.20

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Sister 7 Photo Collage Personalized Birthday Card Sister 7 Photo Collage Personalized Birthday Card

$9.20

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Happy Birthday to a very special Sister flowers Card Happy Birthday to a very special Sister flowers Card

$3.97

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Personalize to Sister, Happy Birthday Card Personalize to Sister, Happy Birthday Card

$3.97

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Sister Birthday Card Sister Birthday Card

$3.97

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Birthday, Sister, Daylily Flower and Butterfly Card Birthday, Sister, Daylily Flower and Butterfly Card

$3.97

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Purple Watercolor Flowers Sister Birthday Card Purple Watercolor Flowers Sister Birthday Card

$4.17

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Birthday Card-My Special Sister Card Birthday Card-My Special Sister Card

$3.97

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Sister Birthday Card Vintage Flower Cake and Poem Sister Birthday Card Vintage Flower Cake and Poem

$2.84

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Sister 3 Photo Collage Personalized Birthday Card Sister 3 Photo Collage Personalized Birthday Card

$9.20

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Vintage Sister Birthday Card Vintage Sister Birthday Card

$4.02

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Happy 31st Birthday Wishes for Sister

When it comes to celebrating your sister's birthday, you want to make sure that your message makes her feel loved and appreciated. Whether you're looking for something heartfelt, funny, or sentimental, we've got you covered with these five birthday card message ideas:

1. Happy 31st birthday to the best sister a girl could ask for! You're not just my sibling, you're my confidante, my shoulder to cry on, and my partner in crime. Wishing you a year filled with love, laughter, and all the things that make you happy.

2. It's hard to believe you're already 31! I remember when we were kids, and we'd sneak into each other's rooms to gossip and listen to music. No matter how old we get, I'm so grateful to have you as my sister. Here's to another year of making memories together.

3. Happy birthday to the sister who always knows how to make me laugh! You have a unique talent for turning even the most mundane moments into something hilarious. Thanks for being my personal comedian and my best friend.

4. Today marks the start of a new chapter in your life, and I can't wait to see what it brings you. You're smart, kind, and talented, and I know that you have so much to offer the world. Keep shining, sis!

5. Another year older, and another year wiser! I'm constantly amazed by the person you've become, and I'm honored to call you my sister. Wishing you all the success, happiness, and love in the world on your 31st birthday.

Happy 31st Birthday Sayings for Sister