40th Birthday Captions for Instagram with Quotes

Getting to the age of 40 is a major milestone in life and deserves the best of celebration. 40 could also be a very tricky age as it comes with a lot of realisations, memories and unique moments in life.

Whatever it is that life has brought your way, I’m sure there is a lot to be grateful for, for one, being alive is the best thing one should be grateful for, as the good saying goes; when there is life there is hope.

As another popular saying goes, life begins at 40. However, whether that is true, here you are celebrating your life or that of your loved one at 40 and I’m also here saying a big congratulations too.

From Facebook to Instagram, there are also plenty of places to post birthday wishes for yourself, friends and family. But how do you come up with something sweet and creative for a caption, right? Not to worry, we have the best 40th birthday captions for you to choose from.

Related: 30th Birthday Captions

For Yourself

Yay! 40 is the new 20. Thanks to me for making it to 40! I wish myself all the good things in life. May all my wishes for the new come true. 🍩☕️ #40ish.

Celebrating 40 today and also celebrating other things that have made me who I am today: life, love, happiness and family… Happy 40th birthday to me! May I live to celebrate many more birthdays.

Oh, the glamour of turning 40. I’ve never felt more glamorous in my whole life. This is a great time to celebrate all the good things life has brought my way. Cheers to me being 40.

Happy 40th birthday to me. Reflecting on all the things that made this year a big one for me: my family and friends being one of them. I have never felt happier and blessed having them around.

Happy birthday to me, wishing me the best birthday ever. To my 40th birthday, and to all the years ahead. 🍾🎉 ##

Happy 40th birthday to me. I am looking forward to a different chapter! 40 is the new, old 20, so I have decided to live it to the fullest.

Happy 40th birthday to me. I know I’m not too old to celebrate my birthday. 40 is a great year to be alive. wish me the best. 🤘🏼

Today I turn 40 and I feel pretty damn good about it. Thanks to all that made this year great and beautiful for me. Love you all.

I’m turning 40, so I’ve decided to embrace it and celebrate it. Here’s my birthday toast: may all my birthdays be as happy as this!  🎂

Happy birthday to me. 40 isn’t just a number. It’s 40 years of memories, friends, loved ones & adventures. Thanks for all the Birthday wishes—here’s to 40 more!

First day of my 40th year, which started the day I was born. Thankful for all the love, joy and continuity of life. Happy birthday to me.

For Your Friend

Celebrating my friend’s 40th birthday and reflecting on how lovely, smart, funny, kind, down to earth, forgiving AND funny she is. I am so grateful to have you in my life…Happy birthday, darling.

Cheers to my best friend for a magnificent 40th birthday. Our paths have crossed since elementary school, and it’s been a privilege to watch you grow in every way. Your confidence, your faith and your kindness have always been an inspiration to me.

So much to celebrate today! It’s my bestie’s birthday Happy Birthday my friend. Wishing you a lifetime of loves and happiness. 🎈 🍰

Happy 40th Birthday to the most wonderful friend. Your friendship means the world to me and I’m happy you’re sharing your milestone with me. 🥂

Happy birthday sweet friend. As you turn 40, may you never lose your sense of wonder. 👧 You are a brave, bold, and beautiful friend. I am so thankful to call you my friend.

Happy Birthday, my friend, you’ve been an inspiration in so many ways. I wish you much love and happiness on your birthday and throughout the years to come.

What a terrific day celebrating 40 years young of my dear friend and brother from another mother. A man who has greatly impacted my life; past, present and lifetime. Love you dearly.

Happy birthday to a great friend. Thanks for always being in my life throughout our journey so far and I look forward to good times ahead for and for me.

A very big birthday to a friend who makes the world special. Love you dearly and wishing you a great year ahead.

🍾It’s a glorious 🎉40 for you, my friend. 💯 Though they say that life begins at 40, every year is an opportunity to redefine the rules. Happy birthday!

For Your Husband

Best. Husband. Ever. Happy 40th birthday to the man who’s changed my life in more ways than I could have ever imagined. Love you so much, my darling. 💍

Happy 40th birthday, babe. I sure feel lucky to celebrate another year of life with you! Love you with every fibre of my being, stay blessed. #birthdaycake.

Happy Birthday to my absolute best friend and the person I love more than anything. You’ve made me so happy and I can’t wait to spend the next birthdays with you. ❤️

Happy birthday, dear husband. Thanks for the best times of my life! I love you, my sunshine, my love, My husband. 🌞😭

Proudly celebrating the life of my husband. Spending my life with him and our family is truly one of my joys in life. I love him so much. Happy Birthday My Love!

Happy 40th Birthday to my husband and best friend ever! Here’s to 40 more years of smiles and love. 💙🎉. Thanks for these past years with you; so many memories made already and I love you forever.

Happy 40th birthday to my best friend and the most amazing husband that God has given me. 🎉 I love you more than anything. #happybirthdayhoney.

For Your Wife

Happy 40th birthday, sweetheart! I’m looking forward to seeing what the next chapter brings us. You are always number 1 in my heart. here’s to a great next 40 years together!

Happy birthday to my sweet wife, you’ve been my everything since day one. 💍 Our love has never gone unnoticed and we couldn’t have gotten this far without all of your love and support, I’m so lucky to be your husband. Love you greatly.

Here’s to the best years of my life together with you. Happy Birthday, my love. I love you more than life itself.

Celebrating and wishing my beautiful wife a happy 40th birthday. Happy Birthday, babe. I love you so much. ❤️ 🎂

Happy birthday to my dear wife. As this past year has flown by we’ve had so much fun spending time together…however, we can’t wait for our next 40 years to love each other more. 💕 #HappyBirthdayBaby.

Happy birthday to my sweet and lovely wife. The best is yet to come. Here’s to you and here’s to more years f love and happiness. 😎👰🏼

Celebrating the birthday of someone who has been there with me through thick and thin, now forty is going to be a year to remember. Happy Birthday, Love. We’ve been through a journey that we would not trade for the world.

For Your Son

You are wiser than your years, older and better. Happy birthday to the best son a mom could ask for–I love you! I pray that every year will be better than the last, and filled with peace, happiness, success and joy.

40 years old and still going strong and great. Happy birthday to the best son a mom could ask for. Love you, my darling!

Today is the sweetest day of all. Happy 30th birthday big man. I love you to the moon and back! #happybirthday.

40 years and you’re still my favourite person. I love you more today than I did 40 years ago! Happy Birthday, sweetheart!!!

This beautiful day is your day, and I hope you have every wish you’ve dreamed of coming true. ✈️ 🎉 ‘m so grateful to be your dad. Love You ❤️…enjoy the rest of your day.

Celebrating my son!! You amaze and inspire all around you with your kindness and goodness. Happy 30th birthday son, I am so proud of you. 😃

What an exciting year it has been. So glad we are all alive to celebrate your 40th birthday. I love you so much. Happy Birthday, Love Mom.

For Your Daughter

Honey, I’m so glad I’m here to celebrate your 40th birthday today. I am so grateful for such a loving daughter like you and for all the wonderful things that come with being a mom to you and a grandmother to your child. I love you.

Happy 40th birthday to my sweet and loving daughter! You’re more of a blessing than I could have ever imagined. Love you so much.

Happy 40th birthday, honey. Thank you for all these wonderful memories and moments with you. Love you so much. 😍 #happybirthday.

Happy birthday my sweetheart. I love you so much. We’ve been through thick and thin together. Today, I hope your journey continues to be as lovely as you are. Love always.

You’ve always made me the proudest dad in the world. It’s been 40 years of being the greatest daughter on earth and living life to it fullest. Happy 40th Birthday, my darling. I love you so much. #HappyBirthdayDarling.

Happy birthday, sweetie. Love you to the moon and back—and all the way up to 40 years. 🎂💝😘 Forty never looked so good as it does on you. 🔥

Birthdays are a reminder that our time here is limited, so love the people you love while you can. I have so much to be grateful for: a full life with a beautiful daughter like you. Happy 40th birthday, my baby girl! ❤️

For Your Brother

Celebrating my BIG brother’s 40th Birthday. ❤️ Here’s to you and the kind of bond that doesn’t come easily. Happy 30th, dear brother! 🍾

Ain’t no lie, my big brother is a living legend. 40 years young but going stronger than ever. Happy birthday. #Brother. 😂 🎂

Happy birthday brother you are such an inspiration to me and I love you so much ♥️ Turning 30 is a huge milestone, and I want you to know that you’ve always had my support. Wishing you the very best in your next chapter. 🏆 #happybirthdaybrother. #🎉

Dear brother, even at 40 years, you’re still my big brother and someone I admire and look up to. Happy birthday!

Happy Birthday, sweet brother. So glad God gave you to our family and that He took the time to show us how He uses your life for His glory. Love you big.

Here’s to you, brother! I love you so much. 40 is your year and I believe the following years will even be better.

Today is better than ever because my best friend and younger brother turn 40. Happy birthday, man. Love you and wish you the best in life. #birthdayboy.

For Your Sister

♡Happy birthday to my sister. I hope you know how much I love you, how happy I am that there is someone like you in my life and that I’ll always be here for you. Wishing you 40 more fantastic years!

Happy birthday to my beautiful sister It’s been 40 years and counting so let’s embrace all the moments and memories we’ve shared and the ones yet to come. I love you.❤️ #throwbackthursday #30thbirthday.

Happy birthday, sister. We’re growing old together, little sis and I couldn’t be more grateful for your consistent love, here’s to the next 40 years together! 😊 #BirthdayGirl.

My lovely sister, today celebrates a milestone in her life. I’m proud to call you my sister. Love you to Mars and beyond.

Here’s to turning 40, and all the fun, success and friends that are ahead of you. Happy Birthday, darling sis!

Happy birthday, dear sister. So proud of the woman you’ve become – you’re the best sister ever and I love you so much!

Happy birthday to my sweet sister. May all your wishes come true. 🎂 Wishing you a special #Birthday, and a great year ahead. #HappyBDaySis.

For Your Dad

Today is my dad’s 40th birthday and I am seriously so thankful to have gotten another year with this amazing man. Happy birthday.

Happy 40th birthday, Dad. I am so proud of all you have accomplished and the man you have become. I love you so much!

My dad is my best friend. Here’s to wishing him a big 40th that’s filled with a lifetime of laughs, good friends and even better memories. Happy Birthday, Pops! 🎂

It’s my dad’s 40th birthday and he couldn’t be more deserving. Cheers to the man who taught me to keep calm and carry on. #40 #happybirthdaydad

Happy Birthday, Dad. I’ve had a few, but I shouldn’t drive—if you need anything else from the liquor store.

Happy birthday to my dad who is the most grounded and wise man I know. I love you! To the best daddy ever: we love you to the moon and back. 🚀🌕

My dad is my best friend who always loves me for me. I’m so thankful for the role model he has been and will always be. I love you to the moon and back an infinite amount of times.

Happy Birthday to a man who has loved me, loved his family and friends, worked relentlessly, laughed hard, and served God.

#becoming 40 has been good for you dad, the best is yet to come
40 looks good on you, dad. Having a birthday drink with you is my favorite new tradition 🍾

Happy 40th dad! I’ve always wondered if the voice you hear in your head is ever the same as what the outside world hears. 😂❤️

I love you to the moon and back again – today is a celebration of the most important person in my life, my mom! Happy birthday.

For Your Mom

Celebrating my mom’s 40th birthday with a morning hike and lots of love! 💕🌲

Celebrating 40 years of motherhood…thanks for being you and loving us girls so much. We love you too ❤️

You’re the best 40th birthday present, Mom. I love you. We love you.

Happy birthday to the best mom ever! 🥰 #Sweet16 .
Celebrating 40 years of motherhood…thanks for being you and loving us girls so much. We love you too ❤️

The best part of growing up is finally realizing that you are your own hero. Happy Birthday Mom.

HAPPY BIRTHDAY to a woman who has always been generous with her time, love and laughter. A special woman who I’m honored to call my mom! Love you mom! 😘

My mom is turning 40 today. Happiest of birthdays to my mom. You are the wind beneath my wings 🎈🎂❤️

Happy Birthday to the coolest and most fun mom around. Enjoy this day. Let’s go bowling. 😎

Happy Birthday to my Mom, she’s the best mother anyone could ask for.

Happy Birthday, Mom! You’ve been an amazing caretaker, teacher, and friend. I know you have so many more years of love ahead of you. We love you!

For Your Nephew

Today is my nephew’s 40th birthday! Here’s to another year of good times and great friends. Cheers, buddy! I love you, dearly. 😉

Happy birthday to my darling. I’m just in awe of everything you have accomplished. Congrats on forty, I love you dearly! ♥️

It’s not about the milestone, it’s about the love, joy and happiness we’ve experienced. Happy 40th birthday to you, dear. We started this journey together, and I know you will never stop reaching for the stars! Love you big.

Cheers to the best nephew ever. Happy 30th birthday, your most wonderful yet to come. Paradise awaits you. A toast to the happiest of 40th birthdays! 🎂

I can’t believe how fast the last 40 years have gone by—and how incredible it is to see you grow into the man you are today. I am so blessed to be a part of your life and I look forward to seeing what the new year has in store for you.

Dear nephew, wishing you the peace to find your footing and wishing you the strength to live your life to the fullest. Happy 40th Birthday, You’re truly one of a kind.

My handsome nephew is turning 40 today, and I couldn’t be more excited about the amazing life ahead of him. Soak up every moment because you only get 40 once.

For Your Niece

To my niece on her 40th birthday, you were so small when you were born 40 years ago and now you’re celebrating your 40th birthday and I could be more proud of what you’ve become. #goals. #

Happy 40th birthday to my sweet niece. may you stay as cool and smart and beautiful as you are now all the days of your life. I love you so much. #bdaygirl.

Happy 40th birthday to the most beautiful, sweetest and boldest woman I know. We love you so much! #happybirthday #loveyou

Happy 40th birthday to my favourite 40-year-old! May your birthdays always feel this good. I love you so much. 😂

Here’s to 40 years of love and happiness and a lifetime of friendship. Happy birthday, wish you the best in life!

Celebrating my niece who just turned 40. I’ve known her since she was a baby, and watching her grow into the kindest person I know has been a privilege. Happy birthday, darling.

HAPPY 40th birthday to my niece!!! We’ve shared so many special memories together growing up and now you made me extremely proud! You turned into the most beautiful woman I know.

For Your Cousin

Happy 40th birthday to the sweetest man on this planet. I’m lucky to call you my cousin and friend. 👯👧 Heart you big, cuz.

Cheers to my 40-year-old cousin, who has shown so much love and support to me throughout my life. You’re a true gem, Happy birthday. 💗

Here’s to celebrating my cousin. ✌️🎉🎊 Making a toast to your 40th birthday! Congratulations on this major milestone and all the exciting years ahead. #40 #birthday.

It’s my cousin’s 40th birthday today! I love him dearly. He’s such a fabulous and wonderful cousin, husband and father. I wish him the best in life. ❤️

Happy birthday to my cousin and thanks to the good Lord above who made it fit for you to see another year. Enjoy the new year ahead!

Today, my sweet cousin is celebrating his birthday. May you sparkle as much as you always have. Happy 40th birthday!

Cheers to all the memories and moments I’ve enjoyed with my cousin sister when growing up. I love you dear cousin, happy birthday to you.

Celebrating my cousin and best friend’s 40th birthday. Time flies when the friendship is lasting. Here’s to many more. 🍾

Today I celebrate the best cousin anyone could have – the coolest, funniest and most beautiful woman ever. Happy 40th Birthday, Baby Cakes! 🍰😘

Happy Birthday to my cousin… whose 40th birthday truly feels like the beginning of something big! Wishing you a year that’s bigger than ever. 😎

For Your Brother-In-Law

Live. Laugh. Love. 40 never looked so good. Happy Birthday, DEAR BROTHER-IN-LAW!

Celebrating 40 years of friendship, laughter, and joy… Happy 40th birthday to my brother-in-law. Love you loads!

Today, we celebrate a wonderful brother-in-law, husband and father. Happy 40th Birthday! Heart you big.

Dear brother-in-law, it’s been 40 years of friendship and fun, here’s wishing you a very happy birthday. May all your wishes come true this new year. 🎂

My brother-in-law is turning 40! 40 years ago my brother-in-law was taking his first breath 🙋‍♂️ and today he is still breathing. Here’s to many more years to come. ❤️ #brotherinlaw.

Happy birthday to my sweet brother-in-law, I’m so happy and proud to be your sister. Love you so much.

Sometimes it’s the simple things in life that matter most. Today is one of those days for me. I am proud and grateful to be celebrating my brother-in-law who keeps it real. #brotherlylove.

For Your Sister-In-Law

Happy 40th Birthday, sweet sister-in-law! The best is yet to come. May this new year bring all your heart desires to pass.

Happy Birthday to my favourite sister-in-law. Here’s to the next 40 years of laughter and happiness. ☀😊

Happy Birthday to the most amazing and loving woman in the world! I feel blessed to be part of your family.

Happy Birthday to my favourite sister-in-law! I’m so lucky to have you in my life and can’t believe you are 40! Here’s to a lifetime of so much joy and love.

What a day to celebrate the birthday of my sister-in-law. Getting older is so much more fun when you’re surrounded by people you love. It’s been an incredible 40 years. Wish you the best birthday ever!

What a fun and fabulous day celebrating my amazing sister -in- law’s 40th birthday. I love her so deeply, she’s like the sister I never had.

My sister-in-law just turned 40. This makes me feel like she got a big promotion to a higher level of age. Happy birthday!

For Your Friend’s Child

Happy 40th birthday, my darling lady! You’re the best*. I love you lots ⭐️ 🎂 Have a fabulous year ahead.

Today is a very special day. It’s my best friend’s child’s 40th birthday and I couldn’t be proud of her than I already am. Love you big, dear.

Wishing my BFF’s daughter a happy, healthy 40th birthday! 40 has never looked so good – or tasted better. Love you so much, my darling. ❤️😋

Happy 40th dear friend’s daughter! You’ve been so lovely and wonderful and I am so proud of you. Love you to bits! 🎉🎈❤️ #BirthdayGirls40.

Happy birthday, darling! Hope your life blooms as beautifully as you do. I wish you the best in life. 🥰.

I can’t believe my very good friend’s son is now officially a 40-year-old man! Here’s to celebrating your 40…and to many more years of happiness. Happy birthday. 🎂🍾

No one is more special to me than you, my dear godson. You’re my rock and the very best part of me. Happy birthday, buddy, ☺️ I couldn’t be more proud of you.

Thanks for decorating the world around you with beautiful things. Happiness to you, my good friend’s daughter. 🎉🎂 Happy Birthday, Dearest!

Happy birthday to one of the kindest, most loving souls I know! I love you DEARLY. ✨🎉

Celebrating my dear friend’s child. Today she’s 40. And she’s also just as adorable and fun-loving as ever!!! 😆