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


Happy birthday, my dear!

I’m wishing you much greatness and joy on your special day this year, as a sweet cousin like you truly is the most beautiful blessing!

I’m so grateful even to have you as a family member and the only thing that could be better is if you were my sister, just like you already are in my heart. 
A cousin who still isn't showing her age
My dearest relation, who isn’t only an incredible cousin but also an amazing friend and sister to me.

I wish you happiness today on your birthday, and forever more!
Happy birthday to my partner in crime!
Or should I say, my fabulous sidekick!

You always have and always will be the
absolute best person to have by my side.

I hope you have the most wonderful
birthday ever today, my dear cousin!
Happy birthday to my cousin who, as it so happens, has the best cousin in the world!

If ever there was a more suitable time to thank your lucky stars, it would be now! You are truly blessed to have a wonderful friend and sibling in me!
Officially you’re my cousin, but my heart
says you’re my sister. Luckily for you, I
always listen to my heart!

Happy birthday to you, my dear. I
hope you have a truly wonderful time
celebrating your special day today!
Happy birthday, my dear cousin! Congratulations on still maintaining your youthful looks despite the many, many, many years that are against you!
Wishing a happy birthday to a sister-
like friend and person like no other:
my dearest cousin!

Have a fabulous day, my lovely!
My dear, I am wishing
you the very best on
your special day today!

Deep down in my heart
you are my sister, even if
officially you are my cousin.

You are such a beautiful soul
and I wish for nothing but the
best in life for you, as you truly
deserve it.

I hope you have the most fab
birthday ever!
Wishing the absolute best birthday
to my true sister at heart!

You may be my cousin but you far
surpass that, to me you’ll always
be much more like a sister!

Enjoy your special day, my dear!
Lots of love, big kisses and
enormous hugs to you!
Families are filled with many magnificent wonders, but there are few things as wonderful as being blessed with a truly precious cousin.

You must feel pretty lucky to have that in me!

Happy birthday to you today, my dear!
Happy birthday to my dear cousin!

I’m so grateful to have had you in my
life since we were kids! 

You are everything I could ever wish
for in a cousin and more. In truth, I
have always seen you as more of a
sister figure in my life than a cousin.

I hope that you know you can always
rely on me, the same way I know I
can rely on you!

Have a fantastic birthday, sis!
Happy birthday, my dear cousin!

There aren’t many people I would choose to be my cousin and there are even fewer I’d choose to be my sister. Luckily, I didn’t have to choose between either with you as I was handed the 2 in 1!
A cousin on paper
A sister at heart
I could never cope
If we were ever apart!

Wishing you the happiest
Birthday possible, my dear!
Don’t worry about getting older, my
dear cousin!

It happens to us all but luckily for us,
we have great genes that should see
us age more gracefully than others!
How fortunate are we!

I hope you have a birthday that’s as
beautiful and fabulous as you are!
Happy birthday to my dear cousin!

We were inseparable as kids,
spending almost every minute
together! I honestly don’t know
what I would’ve done without
you growing up!

In truth, we’ve always been so close
and we were together so much
throughout our childhood that I have
always seen you more like a sister
to me than a cousin.

Wishing you all the love and happiness
in the world on your special day!

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