Happy 40th Birthday Sister: Whether you’ve got one sister that’s turning 40, two sisters or multiple sisters, there are few occasions that bring the whole family together in quite the same way that a birthday does. And for those of us with more than one sister close in age, it’s a moment to reflect on just how much we mean to each other—even if we fight like cats and dogs from time to time.
There are many ways you can still celebrate the 40th birthday of your sister. From sending a beautiful greeting card to taking her out for dinner, you can surprise her with a lovely card. Let’s see some ideas that you can use to make her day special even when it falls on a working day.
Happy 40th Birthday Sister
- Happy 40th birthday, sis! We’re so happy and grateful to call you family.
- Happy 40th birthday, Sis! Here’s to the next 40! Love you!
- Happy 40th birthday to my (sister/mom/bestie)! I’m so lucky to have the most thoughtful, caring, and genuine person in the world! You’re 40 years young today, and you will still be my sister forever no matter how old you are.
- Golden birthday, golden sister. Happy 40th and wonderful year of endless possibilities.
- 40th birthday wishes for the best sister in the world from her slightly older but much wiser little brother.
- 40 candles on her cake and 40 reasons to believe in someone as amazing as you! Happy Birthday, Sister!
- Wishing you the best on your big day, from one of your favorite siblings.
- 40 never looked so good! Happy birthday to my sister and the best big sis ever.
- Can’t thank you enough for being the best big sister a girl could ask for. Happy birthday, and have an amazing year!
- Happy 40th to my amazing sister!
- Happy 40th birthday to my sweet sister. I love you like peanut butter loves jelly
- It’s your day—yours and yours alone. Celebrate the way you want to: with cake, with friends.
- Happy Birthday, Sister!!! You deserve the best!! I love you. Thank you for being such a good friend and always making me laugh.
- Happy birthday, sis! Live long and prosper, your hair sure has over the past 40 years.
- Sis, makes me remember 40 years ago— when you were learning to crawl and I was learning to walk. We’ve come a long way.
- Time flies. We’ve been through so much together ❤️ Happy 40th birthday!
- I’m sending you 40 helium-filled balloons to celebrate your 40th birthday. Hope you have a happy one😍
- 40 has always been my favorite number, but now it’s even sweeter since your birthday and mine are only 1 apart – here’s to many more years of life, love and laughter.
- Sis, you’re living our best lives. We promise to keep your seat warm at the table and your coffee fresh at the burner. Love you!
- Sisters are here when your hair is a mess and your lipstick is smeared
- It’s your special day – you deserve to celebrate with style. Moments become memories, so don’t forget to capture those special snaps
- CONGRATULATIONS and many more! With lots of love for your big day
- We hope you have the happiest of birthdays, sister.
- Happy 40th birthday to our sister and best friend, Adrienne. We love you!
- We can’t believe you’re turning 40. Happy birthday, sis! We love you!
- Sisters are one of the most important parts of our lives – this is for you @sisterbirthday
- Hope your 40th—and every day after—is everything you wanted it to be. 😊
- Happy birthday to the sister who taught me how crazy love can be. Love is a little crazy, thank goodness you’re here to prove it.
- 40 years old, this is your year!
- Happy birthday to my best friend and favorite sister
- You’ve always been the coolest big sis and on your special day, I want you to know it.
- You’re pretty much perfect. And I mean that in all of its forms. Here’s to 40 more.
- Happiest of birthdays to the one and only sister
- Happy 40th birthday, sister! It’s an honor to celebrate such a big milestone with you.
- Happy 40th birthday to my big sister, the best mother, and friend! I hope every day is filled with joy like you are! Love you
- Happy 40th birthday to my wonderful sister, who always has the best b-day wishes for her friends.
- Wishing my favorite sister a very happy 40th birthday. Hope it’s filled with lots of love, laughter, and all the best things in life. I love you!
- Wishing you all the best on your 40th birthday! I have to pinch myself that my baby sister is now a married woman and has 2 adorable children. You should be so proud of yourself and your accomplishments in life.
- HAPPY BIRTHDAY SIS: Missing your face, that special laugh, and, of course, your birthday
- 40 years ago today, one of the coolest sisters in the world was born. Hoping it’s a happy one for you!
- 40 years of everything you are have turned into everything we are. We love you and can’t wait to celebrate the next 40 years with you.
- Happy Birthday, sweet forty!
- I love you, happy birthday, and many more. Many more
- Birthdays are the best because it’s a birthday for everyone you love and yours too. So do whatever makes it extra special.
- Your presence in our lives has touched us all. Wishing you health, wealth, and happiness today and always. Happy Birthday.
- A day older and a year wiser, may you rest easy knowing the best is yet to come
- Happy 40th birthday to the most amazing sister ever! We love you so much and can’t believe that you are already this grown-up!
- Happy 40th birthday to my starry-eyed sister. Love you to Mars and back.
- Wishing my best sister a Happy 40th Birthday! I love you, sissy, thank you for always being there for me
- Happy birthday to the best sister anybody could ask for! I love you forever and ever!
- Sister, we’re so excited to celebrate you on your big day. Hope it’s the best!
- 40 years ago, she was born to rule. Happy Birthday!!
- 40 candles on your cake and you’re still as sweet as you were at 20. Happy Birthday!
- You’re my role model, my shoulder to lean on and the other half of my brain. Happy birthday!
- Hope your special day is as amazing as you are. I love you!
- I’m so lucky to have you as a sister. Love you, boo!
- Congratulations on your big day! What a story you’ve written so far!
- Happy 40th Birthday to the most caring, selfless, and independent sister anyone could ever ask for. Have a wonderful day.
- Happy 40th birthday to my beautiful sister! Here’s to all of the good times we’ve had, and all of the awesome ones yet to come!
- Happy 40th birthday to the coolest little sister in the world!
- I smiled today thinking of you, my sister —my best friend, who loves me always! Happy 40th birthday!!
- Nestled in a quiet New England town, our family is growing—and so are the choices you have for your 40th birthday weekend. Congrats (and happy birthday)!
- Another birthday, another year to be grateful for family and friendship. Happy 40th Birthday!
- Happy birthday, sister! You are everything I could have asked for in a big sis and then some.
- Congratulations on your 40th birthday, we’re excited to see what you do in the next 40 years.
- 40 isn’t old! It’s the new 30! So happy birthday from your favorite 30-year-old.
- Thanks for always being there for me, my “baby” sister. Love you! 💕
- The best times are the times spent with family. Hope this day is filled with all that you love!
- Happy birthday to my favorite nerd and BFF, your superpowers are amazing and your commitment to do better each day inspires the rest of us.
- You were born with all the optimism and beauty that life could offer—and you’ve never lost those gifts. (We love you!)
Happy 40th Birthday Big Sister
- Happy 40th Birthday to my favorite sister! I hope your day is filled with love, laughter, and all the dessert you can eat.
- Happy 40th birthday to my precious sister with love and gratitude ❤︎
- Happy 40th birthday to my sister and best friend!
- HAPPY 40th BIRTHDAY sis! We love you to the moon and back
- Happy 40th birthday to my sis! Here’s to an amazing year filled with good times, new adventures, and plenty more family dinners together
- Catch up with your bestie over some homemade waffles on her 40th birthday. Happy splurging, sis!
- Happy Birthday, to a sister that I’d do anything for!
- Keep on giving, and you will keep on receiving. Happy birthday to my beloved sister.
- Sister, you’re my role model, my shoulder to lean on, and my biggest cheerleader. Love you, sis!
- Hope your birthday is filled with smiles, laughs, love, and of course cake!
- Sending you birthday wishes that are warm and bright as the sun you’ve brought into my life ☀
- Happy 40th Birthday big sis! Love you
- Happy 40th Birthday! We couldn’t have asked for a better big sister
- Happy 40th Birthday to my big sister! I’ve learned so much from you over the years and I’m truly grateful for our friendship.
- Happy 40th Birthday to our sister, who brings us together every day. None of these things would have been possible without you.
- So happy for you today, big sis. 40 is shaping up to be a great year!
- Happy 40th Birthday! We have loved being a part of your life for 40 years.
- Morning is this is to let you know your 40th birthday is coming up I don’t know if it’s been 3 years or 30 years but you still look amazing
- Hope your birthday is as magical as you are. You’re the perfect big sister.
- Big sister, you are one of my greatest teachers. I love you and can’t wait to celebrate in just a few days!
- If laughter is the best medicine, then your sister just cured whatever ails you. Here’s to another sweet year of giggles and fun. Happy Birthday!
- For my big sister, the most fierce yet kindhearted woman I know – cheers!
- Happy 40th birthday, big sister! Thank you for always being there for me, encouraging me to chase my dreams, and cheering me on every step of the way. I couldn’t have asked for a better big sis than you.
- Bringing home the bacon since forever. Happy 40th to my older sister—thanks for always being a great role model!
- Happy birthday to the best big sister a girl could ask for. I love you to the moon and back.
- I love you to the moon and back. Happy birthday to the best big sis a girl could ask for.
- happy birthday to my amazing sister who is one of the smartest, funniest, and most beautiful people I know. I couldn’t love her more. I hope we celebrate for days
- Happy birthday to my bestie and the outspoken, crazy-haired one I always knew I could count on.
- Here’s to two more years of stealing your clothes and re-wearing them as mine. Happy birthday, sis
- We adore your treasure trove of life lessons and non-toxic nail polishes. Cheers to all the good vibes. You’ve made our world a better place.
- you are the perfect role model…I could not ask for a better big sister than you. Happy 40th birthday
- Happy 40th birthday to my big sister, the person I admire most in the world, and a beacon for women everywhere.
- No matter what our age, we all have someone in our life who can always make us laugh. From now on I’ll never take you for granted. Happy 40th birthday to the best big sis of all time! I love you.
- Cheers to the best big sister a family could ask for. Happy birthday
- I’d be lost without you leading the way ☺️ Happy 40th Birthday
- Happy B-Day to my big sis! You’re always there for me, here’s to another [x] years of celebrating together.
- I’ve appreciated every minute we’ve spent together, big sis. Cheers to our next forty years of friendship!
- Your warm, caring and uplifting presence has brightened every room you’ve ever walked into. Happy Birthday!
- 40 candles on your cake and we are still lighting up to birthday songs
- Here’s a big [insert description of gifts] to celebrate your big [insert celebration date]!
- Happy 40th birthday to the best big sister in the world. I love you!
- Happy 40th birthday to the sister I never had, but always wanted. I’m so glad we can celebrate your big day together!
- Wishing a very happy 40th birthday to my big sister, who is about to settle into her next decade of awesomeness.
- Can’t believe my little sister is turning 40! She’s the best!
- Happy Birthday big sissy. Wish you all the best! I love you!
- You’ve shown us that women are the ones who have all the power in this world. We look up to you and we can’t wait to see what you do next. Happy birthday, sis
- I couldn’t have asked for a better big sis all these years. You are amazing and always will be. Thanks for everything.
- I’m so grateful to have a big sister like you. Cheers to many more years of laughter and friendship!
- Life isn’t about finding yourself. It’s about creating yourself. Sister, you are a work of art; happy birthday!
Happy 40th Birthday Sister Funny
- Happy 40th birthday to my baby sister, still my best friend‼️
- you are my sister, my friend…my role model and hero. I love u oh so much💕
- HAPPY 40th BIRTHDAY to my sister. You’re the cool older sibling I never had—but always wanted
- Happy 40th birthday to my sis, the most wonderful woman I know.
- You were only born as a little sister, but you grew up to be the greatest big sister. Happy 40th birthday.
- You got and called it — you’re officially middle-aged. Congrats! Here’s to another 40 years of friendship
- I think today it’s appropriate to wish the most beautiful person in the world a big, big happy birthday. I couldn’t be more thankful for you being in my life. Best wishes and love from your super cool big sister.
- Can you believe it?! The big 4-0 is coming up, and I’ll finally, legally, be able to party all night if I want to. 😉
- I can’t think of anyone who deserves a happy 40th birthday as much as you, my beautiful sister.
- 40 is the new 20, but with better hair and a more developed personality. Happy 40th! Happy birthday to you!
- Wishing my amazing sister a very happy birthday. I couldn’t imagine life without her and I love you so much. Thanks for helping me laugh and always being there to cheer me up.
- Happy birthday to my sister, Chris! Thanks for always being there through everything. Best bday yet?
- Hope your day is as great as the awesome little sister you’ve always been.
- you’re the most amazing sister anyone could ever ask for. I’m super lucky to have you! Happy Birthday!
- Sending you big smiles and lots of love on your big day, beautiful sister. Happy birthday.
- HBD to the funniest, most goofy, most gorgeous, most favorite little sister in the world! You truly are the best big sis anyone could ask for.
- You are my best friend and I wouldn’t want to spend this milestone birthday with anyone else … Happy 40th Birthday Sister!
- How did we get so old?! Happy 40th birthday to your sister, from her favorite brother.
- happy 40th birthday to my big sis—hope you have an amazing year!
- Happy 40th Birthday to my sister! It’s crazy how fast time goes by…
- Happy 40th birthday to the coolest sister in the world—you’re always there for me and make me laugh
- Happy 40th birthday to my sister, who shares a year of birth with Princess Leia.
- Happy 40th birthday, baby sister! I hope this next year is your best yet. I can’t wait to see what you accomplish next. You are an amazing queen and I love you
- Happy Birthday to my sister (from me). I’ve known you since I was ___, but today you turn 40!
- Hope your day is even better than the hair day you had on your 40th! (wink) Happy birthday, sis!
- We’re the perfect team. I learned how to get all dolled up, and you taught me how to play nice with boys.
- Happy birthday to one of my favorite people.
- Wishing you the happiest of birthdays! No better way to celebrate your last four decades on earth than with a hungover party bus.
- Wishing a happy 40th birthday to my well-loved sister. You’re the best and I’m so lucky to have a sister like you!
- The best kind of gifts is the ones that remind you why you love someone. Happy birthday, sister
- Can’t believe it’s been 40 years since you were born! Looking forward to ice cream cake and countless hours of Monopoly in 2018. Happy birthday, Sis.
- You’ve become wiser, funnier, and a lot more stylish in the last 40 years. I’m so happy to be celebrating your birthday with you! Here’s to many more!
- It’s your birthday and I want it to be the happiest ever! You deserve a lot of fun, laughter, and many more years of happiness. Happy Birthday darling
- From our family to yours—Wish you everything happy for your big day!
- Happy 40th birthday to my beloved sister. I love you, you’re the best!
- Wishing a very happy 40th birthday to my baby sister! We have always been like twins, so I couldn’t be more thankful for you. Love you bunches and bunches, Lauren.
- Happy 40th birthday to my sister, the funniest & most generous person I know!
- Happy 40th birthday to my sister, who taught me that any challenge is possible if you have the right attitude.
- Happy 40th birthday to a gorgeous and wonderful sister that has always been there for me…and had my back the whole way.
- So excited and happy to celebrate my sister’s 40th birthday with so many people who love her.
- Happy 40th birthday to my little sis—here’s to many more memories together!
- I wish you every happiness for your 40th birthday and ever after…
- Wishing a Happy Birthday to my awesome sister! Love you
- Happy Birthday, sister. If I could have a little bit of your grace, humility, wit, and beauty I’d be in serious trouble.
- happy 40th birthday wishes to the best sister in the universe
- Happy 40th birthday to my sis, I can’t believe you’re 40… but I guess 40 is the new 30 right?
- Happy 40th Birthday Sister. I couldn’t think of a better person to spend my life knowing.
- Happy 40th birthday to my wonderful sister! I am so glad you are part of my life
- Happy 40th birthday to my sister, the best sister I’ve ever had ♥
- Happy 40th to the big sister I’m so proud of, the one I learned from—and still do. I love you!
- Shop the #farmersmarket and elsewhere for 40th-birthday gift ideas.
- Happy birthday to the funniest, smartest, most adorably awkward sister a girl could have! We’re still trying to figure out how it was that we came from the same parents…
- It’s Your Birthday! Hope You Have A Fabulous One And Reach For The Stars…
- You’ve been the best of sisters and the closest of friends, so today we celebrate everything you are. Happy birthday.
- happy 40th birthday to my sister, I love you so much and am so proud of you. you’re such an inspiration to me.
- Some of my favorite memories include you… and possibly glitter. Happy 40th, Birthday sister! You’re looking good and I’m so happy for you! Cheers to many, MANY more!
- Today is my sister’s 40th Birthday. Wishing her a Happy 40th Birthday and the best year yet!
- Happy 40th birthday, Jenny! I hope you continue to brighten the world with your smile, laugh, and love like you always do.
- Happy fiftieth birthday to my sister the coolest, funniest, and most fun person I know.
- Happy Birthday to my favorite sister who always makes me laugh hugs me tight, and listens to my problems no matter how petty they may be.
- making memories over birthday cake and ice cream. big sis, you make us beam so proud to be your little sisters. happy birthday!
- Hey sis, happy birthday! I love you and hope you have the best one yet.
- This year for your birthday, I hope you wake up and realize that you are my sister and that we are growing older together…and I love you. Happy Birthday!
- Wishing the most awesome big sister ever the best birthday in style! And I mean that. I don’t have a stylist.