65 Best Birthday Wishes for Mother-In-Law

Birthday wishes for your mother-in-law are a great way to show her how much you care. Finding the right words to express your feelings of appreciation, love, and respect for your mother-in-law can be difficult. To help you out, we’ve collected some of the best birthday wishes for mother-in-law that you can use to make her day extra special. Whether you’re looking for a heartfelt message, a silly joke, or just something meaningful to say, we have the perfect birthday wishes for your mother-in-law!

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Birthday Wishes for Mother-In-Law

  • “Happy birthday to a mother-in-law I actually enjoy hanging out with.”
  • “I am so blessed that the man of my dreams is not only perfect, but he has a perfect mom as well. Now I know where he gets it from! Happy birthday mother-in-law!”
  • “If every woman was an amazing mother-in-law like you, there would be no ugly mother-in-law jokes in the world. Happy birthday, my lovely mother-in-law.”
  • “Thank you for raising such a wonderful husband for me. You must have done something right to raise such a gentleman! Happy birthday, sweet mother-in-law!”
  • “When my husband is being an absolute idiot, you are the first person I think to call. That’s because you are the only other person who really understands who I am dealing with. Thanks for all the support!”
  • “My mom is a judgmental bully that’s hard to get along with. Now she has a twin! Happy birthday!”
  • “They say you’re getting older, but we could pass for sisters! So, in my opinion, you look better than ever. You’re aging so gracefully. My best wishes, my incredible mom-in-law.”
  • “I wanted to get you something funny and charming this year for your birthday, but then I realized you already had a son-in-law like me, so I figured you’d be set this year. Happy birthday to the best mother-in-law!”
  • “Dear mom-in-law, this is your special day, so we are sending dad away on an extended vacation. Wish you a lovely birthday!”
  • “Happy birthday! I know that life and getting older isn’t easy, but now you’ve got me! You’re welcome!”
  • “Bad news: you’re 75. Good news: I’m not!”
  • “Happy birthday to my Egg-ceptional mother-in-law! Wishing you an egg-cellent day filled with all the things you love, and hoping you have a very egg-citing year. Love you!”
  • “It is my happiness that you’re celebrating your birthday today, but the truth is that I am happier about the big cake staring at me.”
  • “No wonder why my wife looks so beautiful. It is definitely because of you, and it’s also that she can’t cook because of you. Happy Birthday, dear mom-in-law!”
  • “Happy birthday, mom-in-law! I wish you good health and long life, so you can take care of our kids whenever we need days off!”
  • “When I married your son, I gained a second mom. Don’t tell, but you’re my favorite! Happy birthday to the mom who has been there for me more than my own.”
  • “In-laws are God’s way of making sure you’ll have someone there on your deathbed, cheering you on! Happy birthday!”
  • “They say that diamonds are a girl’s best friend, but that’s not true. Moms-in-law like you are. Here’s to many more girl’s nights filled with good food and lots of wine.”
  • “To the lady who didn’t teach her daughter anything about cooking, many happy returns of the day.”
  • “I wasn’t able to light all the candles on your birthday cake this year because it turns out you need to have permits for bonfires. Happy birthday to my mother-in-law, who has a wonderful sense of humor! Don’t hurt me, please…”
  • “It’s official! According to a recent survey of one (me), you are the “World’s Greatest Mother-In-Law” and will have the “Greatest” birthday!”
  • “I hope you have a wonderful birthday, and I know that hearing from your daughter-in-law is a step in the right direction.”
  • “To celebrate your birthday, I didn’t clean the house, made your son do the laundry, and fed your grandkids a cup of sugar for dinner. I wanted you to have some new things to criticize. Have a fun birthday!”
  • “For this short time I’m with your son, you taught me many things, one of which Is unconditional love. Thank you for that. Also, thank you for cooking for us! Happy belated birthday!”

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Ways to wish Happy Birthday Mother-in-Law

  • “Dear mother-in-law, happy birthday! You’re more like a mother to me than anything else. Thank you for treating me just like your own daughter. I’m happy to be part of your family.”
  • “Happy birthday to the world’s best mom-in-law! You’re classy, intelligent, and caring. Basically, everything I aspire to be. Thanks for showing me how it’s done.”
  • “Special women like you deserve the best on their birthdays, and guess what! Maybe the best is just a denture.”
  • “Dearest mother-in-law, thanks for helping make all my married friends jealous that I have such a cool mother-in-law like you. You’re the best!”
  • “I’m the dutiful son-in-law who always remembers your birthday but never knows how old you are. Hope you have a wonderful day, Mom.”
  • “I’m glad I get to celebrate the day you were born because if you didn’t exist, then I’d be unbearably sad. I am so grateful you have come into my life, and I can’t imagine not having your amazing presence.”
  • “I don’t always message my in-laws. But when I do, it’s usually to let them know they’re old! Happy birthday!”
  • “A mother-in-law is one of the reasons why people don’t want to go into marriage, but having you as a mother-in-law makes me re-marry your daughter over and over again. Wishing you the best birthday ever!”
  • “It is certainly right that age is just a number, but in your case, the number is certainly quite high. Happy birthday! May God bless you with much health and joy!”
  • “Congratulations! For your birthday, I got you the best son-in-law in the world! Aren’t you glad to have me?”
  • “You don’t get to pick your family, but you get to choose your in-laws! What was I thinking… Happy birthday!”
  • “Happy birthday mom-in-law. Thank you for being so kind and accepting of me even when I may not be the most qualified person to marry your son.”
  • “Happy birthday to the mother-in-law who makes life look easy. I know all your dreams will come true, but I will still wish it for you on your birthday anyway.”
  • “We are just like Thelma and Louise, except without Brad Pitt. And I hope none of us die soon. Okay, maybe we’re not like Thelma and Louise, but you are one of my best friends. I’m so lucky to have a mother-in-law like you! Thank you for all that you do. Happy birthday mother-in-law!”
  • “I would have made you a cake for your birthday, but your son says that my baking never measures up to yours, so I didn’t bother. Happy birthday, anyway!”
  • “It’s been said that marriage is like buying a house. If so, then in-laws are the mortgage payments! Happy birthday!”

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Funny Messages for Mother-in-Law Birthday

  • “Thank you for always giving me something to fight about with my husband! Happy birthday!”
  • “It’s your birthday! I recommend you kick back, relax, and let dad do all the work for once.”
  • “Happy birthday! Life has a way of giving you the things you never knew you needed. When life gave me you, it was to teach me patience!”
  • “I must say, God loves you. That’s why he blessed you with such a beautiful fantastic daughter-in-law. Lucky woman. Happy birthday.”
  • “You mean way too much for me to call you mother-in-law, so I figured I would let you pick your favorite endearment. Do you prefer mom, friend, or bestie? Happy birthday to the woman who embodies all those things to me.”
  • “Today, you’re a birthday girl. Tomorrow you go back to being a regular grandma. Enjoy today!”
  • “Even if you weren’t my mother-in-law, I’d seek you out as my friend. Happy birthday!”
  • “I know all you’ve ever wanted for your birthday was to hear “I love you” from your family, which is a good thing because we’re broke as usual. We love you, mom – and happy birthday!
  • “Happy Xth anniversary of your 25th bday to my favorite mom! Enjoy your day!” I’m sending you lots of love.”
  • “I wonder what your experience was when you gave birth to my stubborn husband. You’re a strong woman, so enjoy today as you can.”
  • “Just know I really appreciate you not murdering me while I slept for stealing your darling daughter away from you. I am so happy to not only have a wonderful mother-in-law but also to still be alive!”
  • “Congratulations on your birthday. Don’t worry about trying to fit in with the younger crowd, mom; I adore you exactly as you are! I hope your birthday party is everything you hoped for.”
  • “Happy birthday to my dear mother-in-law! May we continue to drive each other crazy for years to come.”
  • “Mom, you’re the greatest, Mom, you’re the best. You put up with all of us, even though we’re real pests! You feed us, you help us, and you’re always there, so we’re giving you this birthday card, just to be fair!”
  • “Thank you so much for scolding my husband for me. Since that day, he has been telling me ‘yes ma’ whenever I call him.”
  • “Happy birthday to one of the only other people that know how hard it is to live with their son!”
  • “Happy birthday! I was going to get you a gift, but I remembered I gave you grandchildren. Really, isn’t that enough?”
  • “We may be a little crazy, but at least we have each other. The best thing that ever happened to me was marrying your son, but the second best was gaining a friend like you.”
  • “Happy birthday! I was going to get you a gift, but I remembered I did take your son off your hands – isn’t that enough of a gift?”
  • “I was about to send a birthday cake, but suddenly I realized you are not supposed to eat sweets. So, here’s to my mother-in-law, a sweet happy birthday.”
  • “All of my wife’s crazy comes from you, and I wouldn’t have it any other way. Happy birthday, Mom!”
  • “I hate being less good than you at cooking. Please tell me what your secrets are. Now, take a moment to enjoy the cake I baked for you. Wishing you the best birthday, mom in law!”
  • “It’s no secret that you hate me for stealing your daughter/son, mother-in-law. However, I want you to know I love you too. Happy Birthday, you wonderful woman!”
  • “Just so you know, I am pretty sure you are supposed to be evil and not amazing. Happy birthday to the mother-in-law who defies stereotypes.”
  • “I hope your special day is filled with all the things that make you smile: kitten videos, cookies, and the love of your favorite daughter-in-law. Happy birthday mother-in-law!”

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