Over 140 “Happy 40th Birthday” Messages

Turning 40 is a big moment in life. It shows the strength you have, the things you know, and that there are four amazing decades of memories behind you. It does not matter if you are writing for your brother, daughter, friend, or partner. Here is a list of fun, caring, and kind messages you can share to make their special day shine.

1. Happy 40th to my brother - The legend who shows that life gets even better as you get older!

2. Four decades full of fun and laughs - Let’s make some more great memories!

3. Welcome to the fabulous 40s - Now you are vintage, not old.

4. To the guy who will always be young at heart - Cheers to 40!

5. 40 years of being brothers - Thanks for all the wild times.

6. You’re 40 now, but you still have that fire - Don’t ever lose it!

7. From those kid adventures to all we have done as adults - Happy birthday, bro.

8. Forty really suits you - Enjoy how good it looks!

9. To my life-long partner in crime - Happy 40th to you.

10. Congrats for reaching the big 4-0 - You wear it so well, my friend!

1. Happy 40th to the sister who looks brighter and lovely every year!

2. Forty years of being sisters - Here’s to lots more stories and secrets for us.

3. You have just turned 40 - Style always stays with you.

4. To my best friend and my sibling - Happy milestone birthday!

5. Four decades full of love, laughter, and memories for all of us - Cheers!

6. Your 40s are just starting - Keep glowing, sis!

7. Forty years young, and still so strong and awesome.

8. Sisters are always together; 40 is only a number.

9. You’re 40 and still doing so well on this path - Keep going strong.

10. Always my sister, always happy, 40‑something fabulous!

1. To our 40-year-old legend - The pride we feel for you continues to grow.

2. It’s been forty years since the best day in our lives. Happy birthday, son.

3. You started as a little boy, and now you are turning 40. What a fantastic journey.

4. At 40, you show so much class, purpose, and true humility. We feel proud.

5. Here's to four decades filled with smiles, thanks to you. We love you so much.

6. Happy 40th to our son, who gets better every year.

7. You have come such a long way, and the best is yet to come.

8. Being forty fits you well, champ - Congratulations.

9. You show us all every day that awesome can last for a whole lifetime. Happy birthday!

10. You have become a man who is brave, kind, and strong. We will always love you.

1. Happy 40th to our wonderful daughter. We feel so proud of you.

2. You have had forty years full of good moments and time to grow. It has been such a gift for all of us.

3. To the woman you are now—bright, brave, and beautiful. Happy birthday!

4. You are 40 and doing great. This is just the start, and so much more is out there.

5. We have had four great decades with you, our daughter. You mean everything to us.

6. Here’s to your amazing 40s. We hope these years be your best so far.

7. Our girl is now 40 and still fills our hearts with happiness and wonder.

8. You are strong, full of life, and sure of yourself. At 40, no one can stop you.

9. You bring light where you go. Forty has never looked this bright!

10. We feel so proud of your forty great years. We look forward to all that’s next.

1. Happy 40th to my partner in life. I am still your biggest fan.

2. To the man who gets better with age like fine wine, happy 40th!

3. You have spent 40 years making the world good, and my world even better.

4. Here’s to my love at 40. I hope the next years we have are even richer.

5. You’re 40 and still the heart of our home.

6. Four decades strong. Our best days are still ahead.

7. To my husband, my hero: Happy milestone birthday.

8. You are 40, and you still sweep me off my feet. I love you.

9. Happy 40th to the man with the kindest soul.

10. Four decades behind us, and forever to go. Cheers, love.

1. Happy 40th to the woman who brings warmth into my life every single day.

2. You’re 40, you shine, and you will always be my love.

3. To my queen at 40—may your time be happy and full of joy.

4. Forty years of shining bright—and we still go on together.

5. You’re forty-something and still magical. Keep lighting up the world.

6. Cheers to forty years that feel like a wonder—and there are many more special years with you ahead.

7. To the woman of my dreams at 40—cheers to us and what we share.

8. You’re 40 and still get all the looks—on the inside and out.

9. To my wife at 40: you become more wonderful every year.

10. Happy 40th to the love of my life—and the best is still to come for us.

1. Happy 40th! Turning forty has never looked this fun.

2. Cheers to forty years of you—keep shining bright!

3. People say life starts at forty. So, bring it on!

4. Welcome to Club 40—may this membership be great.

5. You are forty and fantastic—let’s get out and celebrate!

6. Being forty gives us forty reasons to celebrate you.

7. Here’s to four decades of friendship and so much laughter.

8. Forty and fearless—that is you, my friend.

9. At forty, you’re still looking great—I never had any doubt.

10. Happy 40th! The world is yours, so go get it.

1. Happy 40th! You’re not old, you’re just retro.

2. When you turn forty, your back makes more noise than the champagne.

3. You’re 40 now—looks like your warranty just ran out!

4. 40: Now when you “sleep in,” it means you get up at 8 AM. It’s a nice upgrade.

5. Think about it this way: you are still younger than your next birthday!

6. Are you over 40? No, you’re really just 18 with 22 years of experience.

7. Forty is the new twenty, but now you have better taste.

8. You have hit Level 40—time to unlock that wisdom bonus!

9. Congrats on the big 4-0! I hope your cake can have more pieces than the number of candles on it (at least by one or two).

10. When you are 40, the candles on your cake can get hot enough to take care of next year’s too!

1. At 40, you are about to start your greatest adventure.

2. Age 40: The world is smarter because you are here.

3. You have earned every look and every smile—2025 and beyond are waiting for you.

4. Life’s best times are just starting. Happy 40th!

5. Your 40s have a lot of potential—enjoy each moment.

6. Four decades of growth—here’s to endless new things.

7. At 40, you have strength, spirit, and shine—go forward.

8. The next decade can be your biggest change yet.

9. Forty is not the end—it is a starting point.

10. With forty years of experience, now is the time to go after more dreams.

1. “May the 40s be with you.” — Star Wars gives you the strength and grace you need!

2. “Here’s looking at you, kid... all grown up and fabulous at 40!” — A line from Casablanca with some flair for you.

3. “You’re 40 now—just keep swimming.” — Dory’s advice always works, even now.

4. “To infinity, and beyond your 40s!” — Buzz Lightyear knows you got this.

5. “You’re not old. You’re just getting to the next level—like a real Avenger.”

6. “Life moves pretty fast—especially after 40. Enjoy every moment.” — A bit of Ferris Bueller advice.

7. “At 40, you’ve got true power—like the One Ring, but it’s even cooler.” — A little feel of LOTR.

8. “Nobody puts 40 in a corner!” — A reminder from Dirty Dancing about your timeless spirit.

9. “Why so serious? You’re 40 and still a legend.” — A fun twist from the Joker for you.

10. “You had me at... 40 and fabulous.” — A Jerry Maguire–inspired line for more love at 40.

1. You’ve hit the big four-oh, don’t let it slow your glow!
2. Forty candles on your cake, light them up for joy’s sake.
3. No longer thirty, but just as flirty!
4. You've reached the hill? You're climbing still—with even greater skill.
5. Forty and fearless, full of cheer—may this be your brightest year!
6. You’ve danced through decades one, two, three—now forty’s where you're meant to be.
7. Here’s a cheer for year four-oh—let the good times overflow!
8. From youthful dreams to grown-up schemes, you’ve mastered life in steady streams.
9. At 40 you're not slowing down—you're just adjusting your crown.
10. You sparkle now more than before—forty suits you, that’s for sure!

Turning 40 is a big moment in life. A 40th birthday should be full of good wishes that show how much you care. Send birthday messages to thank the great people in your life and tell them how much they mean to you. Let them know they deserve a future filled with joy, luck, and many wonderful moments. Take some time to talk about what they have done so far, and show how proud you are of their journey.

Talk about how much their friendship means to you. Thank them for the good way they have shaped your life. Wish that they keep finding new things to enjoy. On this special day, let them feel all your love and kindness. A happy 40th birthday message for a family member or someone special will help them feel loved. A thoughtful 40th birthday message will make happy memories to look back on for many years.

Turning forty is a big moment in life. It should be a fun time that people remember. If you are looking for the right birthday message for your friend, sibling, or spouse, there is something here for you. You might want to send a sweet note or pick a funny and bold wish just to see them smile. This set of 40th birthday messages will help you make their day feel special and full of joy.

Pick the message that says what you feel and shows your love and respect for them. A really great 40th birthday message will feel personal, and it should fit who they are. It is about more than just words; it is about showing them you care in a way they will remember. So take a look, find one you like, and start the party with a message that they will never forget.

• Personalise : Use shared jokes, talk about old times, or mention traits that make them unique.

• Tone matters : Use both humor and a kind feel, based on how close you are.

• Mix it up : Make your message bright, heartfelt, and funny at the same time.

• Short & sweet : At times, 10 words can tell more than 100 words.