100+ Birthday Wishes for Your Cousin Sister To Make Her Special Day Sweeter


You are more than a cousin to me, you’re more like a sister. Mainly because you dedicated your childhood to irritating me!

Happy birthday, cuz!
I’m still not totally convinced that we’re
cousins... I’m sure we are actually sisters
and there was just a mix-up at birth!

Happy birthday, sis!
Growing up together we were inseparable,
and even now years later it is no different!

We are closer than cousins, we are soul
sisters for sure! I hope that you have the
most incredible birthday today that you
deserve, my dear!

You mean so much to me and I just want
to see you happy in life!

A very happy birthday to you, sweetie!
If I didn’t know any better I’d never guess it was your birthday today as you don’t look a day older, let alone a year! Happy birthday, my beautiful cousin!
Happy birthday, cousin!

On your special day this year, I just wanted to tell you how much you mean to me.

After all, we share so much more than simply the same family; we also share lots of secrets and unforgettable moments from our childhood! 
Happy birthday to you, my sweet cousin!

Seeing as it’s your special day, I’ll let you in on a little secret: I know your true age! Well, with us being as close as we are what else would you expect!
Happy birthday to my cousin who
funnily enough happens to have
the best cousin in the world!

How crazy is that!
Happy birthday, cousin!

You might not know this, but I’ve always
seen you as more of a younger sister
than a cousin.

It doesn’t even have anything to do with
age, it's simply the fact that you’re just
as annoying as a little sister!
Happy birthday to the most gorgeous chic!

I want you to know you’re not just my
cousin but more like a sister to me!
Happiest of birthdays to you, cousin!

Seeing as you’re just as close to me as
a sister, I feel I can be honest with you
about anything.

So, I’ll just come right out and tell you…
I totally forgot to get you a gift this year!
Happy birthday to you!

If I had to give just one reason why you’re more like a sister to me than a cousin, it would be that growing up together you would annoy me just as much as any sister would!
Happy birthday to my beautiful cousin, who will always be more like a sister to me!
Happy birthday to the best cousin ever!

I want you to know that I look up to you as if you were my elder sister, cousin. It has nothing to do with age, only the fact that you look so much older than me!
Happy birthday to someone who has taken on two very special roles in my life!

You are my cousin, but first and foremost you are a sister to me!

You are a sister in every sense of the word; you are supportive, caring, and above all someone I can confide in!

Wishing you the best day possible filled with happiness, sis!
Happy birthday to one of my dearest relatives! You might only be my cousin but to me, you will always be much more like an annoying younger sister!

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