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In this article, I have written for you some of the best happy 18th birthday wishes for cousin that you can send to him/her.

Read: 18th Milestone Birthday Wishes

Happy 18th Birthday Wishes for Cousin

I am so excited to wish you a happy birthday because now you are officially an adult. Happy 18th birthday dear cousin!

May all your dreams and wishes come true as you age. Happy 18th birthday and don’t forget me in your celebrations.

Happy 18th birthday to the best cousin in the world. May you live long and keep celebrating birthdays.

Whenever I see your lively and smiley face I forget all my worries. Thanks for always being with me during my ups and downs. Congrats, on officially entering adult life.

Happy 18th birthday to the most caring, loving, and jolly cousin I could ever ask for. Keep spreading happiness!

Happy 18th birthday, dear cousin! I hope this milestone year is full of amazing opportunities, unforgettable memories, and lots of laughter. May you continue to grow and flourish in all areas of your life.

Congratulations on turning 18, cousin! You’re now officially an adult, and I have no doubt that you’ll handle this newfound independence with grace and wisdom. Here’s to a year of exciting adventures and new experiences.

Happy 18th birthday to my wonderful cousin! May this year bring you endless joy, success, and fulfillment. Remember to always believe in yourself and follow your dreams, no matter how big or small.

Cheers to 18 years of life and all the amazing things yet to come! Happy birthday, cousin. May you continue to shine bright and be a positive influence on those around you.

Happy 18th birthday, dear cousin! As you embark on this new chapter of your life, know that I’ll always be here to support and encourage you. May your future be filled with success, happiness, and all the things that bring you joy.

Read: Birthday Wishes for Teenager Boy

18th Birthday Wishes for Cousin Brother

My little cousin brother is the most considerate man in my life. I wish you all the laughter, happiness, and good health as you turn 18 years.

As you turn 18 years now, I’ll always be there to help you grow into the man you wish to be. Happy birthday!

On this 18th birthday celebration, I want to give my cousin brother the mantra of living life which is ‘’live as you want’’. Happy 18th birthday!

Always remember that you have your destiny in your hands. Whenever you need it, you can always get it. Happy 18th birthday!

My dear cousin, you remind me of the enchanting childhood we had together. I love and wish you the best happy 18th birthday.

My cousin brother, remember we share a strong bond between us, whenever you need me, I’ll be readily available to help you. Happy 18th birthday!

Happy 18th birthday to this strong boy I grew together with. I thank God for giving me such an awesome cousin brother.

Happy birthday from the depth of my heart to this handsome soul as he turns 18 years. May you continue to live happily and healthily.

You are a great friend that I’ll look up to whenever I need any kind of help. Happy birthday as you celebrate your passage to adulthood.

Read: 18th Birthday Wishes for Brother

18th Birthday Wishes for Cousin Sister

As we were growing, we shared some amazing moments together which is why you will always remain close to my heart. Happiest 18th Birthday celebration!

Having a pretty and beautiful cousin sister is a blessing I usually count twice. I wish you a life full of happiness and good health as you turn 18 years today.

To my favorite cousin sister, may you have the best day in your life today as you celebrate initiation to adulthood. Happy 18th Birthday!

Having a good and wonderful cousin like this one is the best gift you can receive in your life. Thank you for being a sister I can always look up to. Happiest 18th birthday celebration!

Your presence in my life is a great source of happiness and fulfillment. I wish to see us grow old together as best friends. Happy 18th Birthday!

Today is not just an ordinary day, It’s a day a beautiful cousin’s sister was born, the day we celebrate with a lot of laughter and fun. Happy 18th birthday!

As you celebrate your 18th birthday, I want to tell you that my heart will always be a little empty because you have already taken a small chunk of it. Happy birthday, cousin sister!

We might be cousins but the bond we share is stronger than what sisters share. Wishing you a very happy 18th birthday!

Read: Blessing Birthday Wishes for Female Cousin

Funny 18th Birthday Wishes for Cousin

This is a great day for your 18th birthday. It’s the only day you are supposed to taste wines and smile without offending your parents. Happy Birthday!

As your youngest cousin, I take this opportunity to remind you that you are still older than me. Happy Birthday!

Don’t worry about the soft beards that have started to show, life will harden them. Happy 18th Birthday!

As your oldest cousin brother, I remind you to always remember to save for your retirement. You’re growing old. Happy 18th Birthday!

As you turn a year older and graduate into an adult, always count your blessings, not your years. Happy Birthday!

The funniest thing about you right now is that you are old, but your humor remains the same. Happy 18th birthday!

Read More: Funny 18th Birthday Wishes

I hope after reading this article you have found some of the best happy 18th birthday wishes for cousin that you can send to him/her.