You may not have known your mother-in-law all your life, but she did help raise the person you love the most. On her birthday is a great time to tell her how much you appreciate her, and, if you’re especially close, how much you love and admire her. If you’re searching for the right words but just don’t know what to say, you’ve come to the right place. We’ve rounded up some of the best mother-in-law birthday wishes for all kinds of relationships that will brighten her special day.

Whether she is the life of the party and lives for a good joke or more on the sentimental side, we have birthday wishes that will resonate and speak to her unique personality. Write these heartfelt wishes and kind messages inside of a birthday card, attach them to a gift for her, or simply send them as a text message. No matter how you choose to share the sentiment, we’re confident that she’ll appreciate your thoughtfulness.

Short Birthday Wishes for Your Mother-in-Law Happy birthday to the best mother-in-love!
May all your birthday wishes come true. Happy birthday, mom!
Wishing you the best day ever!
I can’t wait to celebrate your special day. HBD, Mom #2!
Happy birthday to the best MIL in the world!
You’re simply the best! Happy birthday, to my beautiful MIL.
May all your hopes and dreams come true! Happy birthday!
Happy birthday, Mom! You’re so beautiful inside and out.
Cheers to another year around the sun. Happy birthday!
Wishing you a day of joy! Happy birthday!
Happy birthday to the best bonus mom on the planet.
Wishing the woman responsible for my better half a happy birthday!
Let the good times roll! Happy birthday, Mom.
Happy birthday to the most beautiful MIL on earth!
The best is yet to come! Happy birthday. Funny Birthday Wishes for Your Mother-in-Law Happy cake day, Mom. Today, you don’t have to bake it!
Happy birthday to the only other woman who can put me in my place besides my Mom!
I hope we don’t need to call the fire department for all those candles! Happy birthday.
I didn’t buy you a present because you already have the best gift ever: ME!
They say true beauty comes with age. That’s why you’re the most beautiful! Happy birthday.
Nobody knows what I go through with my spouse like you do. Oh, that’s right, you raised them! Thanks a lot, and happy birthday, I guess!
You’re getting up there, but who’s counting? Happy birthday, mom-in-law!
Thank you for bringing my wonderful spouse into the world. Yeah, thanks a lot. Happy birthday! Touching Birthday Wishes for Your Mother-in-Law Happy birthday to the person who helped shape my life partner into the person that they are today.
Happy birthday to the woman I aspire to be. Thank you for being a shining example of what a matriarch should be. We love you!
I’d pick you as my mother-in-law in every lifetime. Happy birthday!
Thank you for always being the most wonderful, kind and loving mother-in-law anyone could ever have. Happy birthday!
You’re a second mom to me and for that I’m forever grateful. Happy birthday!
I never knew that having a bonus mom would be so wonderful. Thank you for loving and embracing me. Happy birthday!
You have no idea how much I love you! Enjoy your special day to the fullest. Happy birthday, Mom!
You’re the backbone for our family and for that I’m eternally grateful. Happy birthday, Mom!
Thank you for being the absolute best grandmother to our children. We love you more than you’ll ever know. Happy birthday!
Thank you for keeping our family so tight-knit. We’d be lost without you. Happy birthday!
Wishing you a day of peace, love, and much-needed relaxation. Happy birthday!
Some people complain about their mothers-in-law, but I can’t relate. You’re truly the best MIL anyone could ever have. Happy birthday, Mom!
Thank you for showing me nothing but love from the moment I met you. Wishing you the best birthday yet!
You’re the driving force behind our family. Keep steering us in the right direction because we’d be lost without you! Happy birthday!
I hope to be a wonderful mother-in-law someday. You’ve shown me the way! Happy birthday.
May your special day be filled with love, laughs, and even better memories! Happy birthday! Mother-in-Law Birthday Blessings May God continue to bless and cover you!
I don’t know what I did to be blessed with a wonderful mother-in-law like you. Happy birthday!
I’m forever blessed to call you, my mother-in-law. Happy birthday!
I can’t imagine our lives without you. I thank God every single day for you. Happy birthday, Mom!
I pray that all your hopes and dreams continue to come true! Happy birthday!
You’re one of the biggest blessings in my life and I can never praise God enough for placing you in my life. Happy birthday, Mom!
I thank God for allowing me to be a part of this family. Without you, my life would never be the same. Happy birthday!
We don’t count years, we count blessings. Happy birthday!
God made a special person when he made you! Happy birthday, Mom #2.
May God’s blessings keep raining down on you! Happy birthday!
I’m convinced that I’m one of God’s favorites because He blessed me with the most magnificent mother-in-law in the galaxy.

Karla Pope is a longtime writer, editor and blogger with more than two decades of editorial experience. She’s written for a variety of outlets including Good Housekeeping, Woman’s Day, Travel + Leisure, Tripadvisor, People, Parade and more. Her coverage includes travel, lifestyle, entertainment and wellness content. When she’s not exploring the world with her family, you can find her curled up on the couch watching a documentary and eating gummy bears.