40th Birthday Captions for Instagram with Quotes

40th Birthday Captions for Instagram with Quotes

A 40th birthday is true quite a milestone. Whether you’re ready for this or not, your FORTY birthday is nearing, and in your mind, you feel old. Sometimes the best way to deal with a milestone birthday is to laugh about it with friends and family. This is why 40th birthday captions are so important.

The 40th birthday is a special time to take a look back at your journey and reflect on the past four decades of your life. Many landmarks in a person’s life take place at age 40, especially regarding one’s personal growth.

As far as birthdays go, turning forty is a big one. This, of course, means you’re getting older, but also that your friends want to wish the best for you on this important day. When it comes to writing captions for Instagram, you can make it short and sweet or go long with some help from our favorite quotes.


For Your Father

  • That’s my biggest accomplishment son. I got to live to see you turn 40, which was about the time I came into your life. You are one of the greatest gifts in the world to me, and I am truly grateful for every moment we share together. Happy Birthday, Dad!


  • There are no words to express the joy you bring to my life. Happy Birthday, Dad! You mean the world to me. I’m so proud of all that you have accomplished and what you continue to accomplish every day. I look up to you more than anyone else. My life has been so enriched with your love, your guidance, and your example. I am who I am today because of you. Thank you for everything, Dad!


  • Many years ago I told your dad that when I was forty, I would marry him. A few days ago he reminded me that when he was 40 I said when you turn 40 you can date me (he is 10 years older). He’s such a romantic man and I love that about him. I’ve loved you, sweetheart, for so many years but now we get to share our life together and it’s wonderful! Happy 40th birthday, my king.


  • There aren’t enough words to fully express just how much you mean to me, to our family, and to the world. Your love for us and for everything you do is contagious. You are an amazing husband, father, and man. You could not have been blessed with a better role model than your father. Happy Birthday!


  • I’m so lucky to have such an amazing dad. You work so hard and never let anything stop you from getting your goals. I’m really proud of everything you’ve accomplished. I can’t wait to see what the future has in store for you. Happy Birthday!


  • Happy 40th Birthday, Dad. I love you more today than yesterday and less than tomorrow. Wishing you a wonderful day!


  • Love you Dad. 40 years of smiles and tears! You are so much more than words can express. You’ve always been there for me, even when I haven’t deserved it. I love you so very much!


  • These 40 years have been the best of my life, and you are the reason for my happiness. I am so proud to be your father. Happy Birthday!


  • I would move mountains to see you happy, healthy, and successful in life. You are the most amazing person I’ve ever met and I can’t wait to grow even closer to you over the years. Happy birthday, Dad, you deserve every ounce of happiness in this world. Be proud because you deserve all the success in the world. Love you!


  • I will always love you. Happy birthday, dad! I love you so much it hurts sometimes. You taught me so many things in life, but the greatest lesson is self-respect. Thank you for being the best dad in the world.


  • You are the best dad in the whole world. I still feel like a little girl sometimes when I’m playing with you or listening to your advice, and that makes me happy! You are my hero and I love you more than words could say! Happy Birthday, Dad, you mean the world to me!


  • I don’t know how to put this, but you’re an amazing man. You may not realize it, but you’ve taught me so much about life and took me on a never-ending educational trip. I love you with everything I am. HAPPY 4OTH BIRTHDAY, DAD!


  • You are my father, my friend, my mentor. Growing up I was lucky to have you by my side. Thank you for showing me how to be a man and an upstanding member of society. I love you more than words can say. I hope our relationship will continue to grow for another 40 years!

For Your Mother

  • I can’t believe you’re actually 40! I feel like I just had you yesterday. You are the epitome of beauty and grace. You are my number one fan and I love you more than anything in the world. I am so glad that your life is amazing because you deserve it. Your love for me is unconditional and I will never cease to thank God that heaven-sent me an angel like you!


  • My love for you has no end. You are my heart, you are my life. I thank God every day for giving me such a wonderful mother, who is the best in the whole world. I hope this day will bring special moments and happiness. And now as we celebrate your fortieth birthday I want to wish you only the best things in life, love, and health, all good and all happiness to you and our family!


  • You are one incredible woman who will always be my mom. I love you to the moon and back thousand times over. You’re my rock, in a storm, you’re my shelter. With every passing year, I love you more and more.


  • OH my God, I’m 40! I never thought life would be this wonderful. I remember when our girl was born, I held her in my arms for the very first time and told her, “I will protect you forever, I will love you forever”…and I haven’t stopped yet. {I edited the picture above to make the caption fit}


  • When I needed a friend, you were always there for me. You made me feel like I could conquer the world. You opened so many doors for me and as I embark on the next chapter of my life, I am with confidence and excitement because we conquered it together. Thank you, Mom, for teaching me the importance of love and dedication.


  • As the mom of two amazing, sweet, smart (and beautiful) daughters I can’t thank you enough for making me a mother. The love I feel for you is immeasurable. It has been an honor knowing you and being able to call you my mother. Happy Birthday!


  • I am blessed to have you as my Mom. Today is your special day! As I get older I am more in awe of who you are. You are the strongest person I know. Thank you for being the best mother anyone could ever ask for. I hope this year brings lots of joy to your life!!


  • Happy Birthday, Mom! I love you so much! The woman who gave me life turned 40 this year. I can’t believe how quickly time flies. You hold a special place in my heart. You are an amazing mother, grandmother, sister, and friend. With each passing year, my love for you grows even stronger. I hope your day is filled with love and happiness.


  • You are the most beautiful inside & out. I am so blessed to be your daughter. You are stronger than you know, you are capable of anything if only you try. With every new year, I see your light shine brighter than ever before. I hope that you always feel this loved and will never forget how much you mean to me!


  • As we celebrate my birthday I can’t help but remember how truly blessed I am to have such a wonderful and caring woman in my life. You are such an amazing mother, partner, and friend. Each moment I spend with you shows me the true meaning of what love really is. May this birthday be one that marks your next 40 years of joy and happiness!


  • Today is your special day, so here’s hoping it brings you joy. I will always love you and be there for you like I’ve promised to do since the day you were born. You’re amazing, smart, talented, and beautiful. I wish you all the best mom. Happy Birthday!


  • I love you. I don’t think that there are very many who can understand my love for you, but it is true. There are few words to describe the amount of admiration, graciousness, and respect I have for you. I am proud to be your daughter. The thought of you not being in my life is too much to bear. Happy birthday mom!


  • There are many ways to show your love for your mother. This is one of the most important days in the week of her birth. Your Mom is not just someone who has taken care of you, but also that person who possessed new strength and possessed high hope, even she was hurt by you. Since I am your son, it’s my responsibility to wish her a special day. My Mom! Here is my new line for this birthday.

For Your Brother

  • Your 40th birthday is just around the corner! I can’t believe you’ve lived this long. I’m so proud of you and all that you have achieved in your life. You are my hero, my rock, my inspiration.


  • You are the greatest brother in the world. I love you with all my heart. I couldn’t wish for anyone better. Happy Birthday! May your life be full of joy, laughter, and happiness.


  • Happy Birthday, brother! You are my inspiration in life, my mentor, and my best friend. I love you more than words could ever express and I hope we can look back on this day and say we accomplished our dreams together. excited for the journey we will take together!


  • I love you more than the length and breadth in my body. You are awesome. I hope our friendship lasts forever. Happy 40th birthday, brother, you deserve all the best!


  • You are the best brother a girl could ask for! You have been my shoulder to cry on and a friend to call when everything goes wrong. I know I don’t say it enough, but I really do love you a lot.


  • There are few things more important than laughter. There is nothing better than the bond shared by brothers. I am so proud to call you my brother! Happy Birthday


  • You’re the greatest brother I could ever hope for. You’ve always been so selfless and giving. You would give me your last dollar without thinking twice about it. I love you and you mean the world to me!


  • Today you turn another year older. If I was given the chance to talk to God, he would receive a very big hug and a heartfelt thank you for my amazing brother. Thank you for always being there for me, never judging me or letting me down. You are my first friend, my first love, and my first heartbreak. You gave me my first kiss, I was so awkward I think you remember that. I love you so much, bro! Happy 40th Birthday!


  • When I was 13, you became my hero. When I was 23 I found out what the word “father” meant. When I was 24 you became someone to look up to. You are my inspiration, my role model, and my best friend. Happy 40th birthday!


  • Today you are 40, but in my eyes, you will always be the same little brother who loved his sisters more than anything in the world. I hope you know that even though we may not all be in the same room at the same time, we are always in your heart. I love you to pieces!


  • 40! Wow, brother, how do you keep gettin’ older without gettin’ old? (LOL), we have shared so many sweet and sour memories together, we look forward to many more in the future. Stay blessed and stay healthy. Love you, big bro!


  • Dear brother, it’s hard to believe that 40 years ago you were born. I’ll never forget the day you came into the world. Your mom screamed so loud I thought her head was going fly off! You are my best friend and I couldn’t imagine life without you. Happy birthday, buddy, I hope it’s a fantastic one.


  • I have had so many great men in my life, so many great mentors, friends, father figures. But there is no one that compares to you. You are my big brother and always will be. I am so fortunate that I get to share the world with the best cheerleader ever. Your love for me is unparalleled and your spirit will forever be contagious! HAPPY 40TH BIRTHDAY, brother!


  • Saying that this is the best birthday I ever had is an understatement. You are my brother, my best friend, and the greatest man I know. Words cannot express how much you mean to me, but I will try. You make me smile every time I see your face or hear your voice. You are always there for me, even though I don’t tell you enough…. you are the greatest person I know.

For Your Sister

  • The years flew past quickly, and I am both amazed and grateful that on this day you will officially be 40!! I am beyond thankful that I have you for my sister! You are an incredible person, inside and out! We’ve had so many good times over our lifetime, but I’m looking forward to watching you go on and achieve your greatest dreams.


  • To my big sister. For the past 40 years, you have been by my side. You are an inspiration to me, a role model, and an amazing friend. I love how we share the same hair color! Happy Birthday!


  • I love you so much, Big Sis. You have made my life fun and exciting. I have learned so much from you! I look up to you so much! Happy Birthday to my shining star!


  • You are my dear sister! I don’t know why you are not here with me on your special day. I am missing you so much. You are still the same kid that used to trip me, pick on me or steal my t-shirt by drenching it with water. Your t-shirt will be dry soon but my memories of you won’t fade away. We may live miles apart, but never out of each other’s hearts. Love you so


  • When I look at you, I am filled with so much pride and joy. You were the best decision I have ever made. You are my world and my shining star. I love you to the moon and back!


  • One of the best things I’ve ever done was give you a sister. Happy Birthday! You’re a beautiful person and I’m so proud to be your big brother. Thanks for the life lessons, the laughter, and the advice. I love you!


  • I hope my words make you smile. I think about you every day and hope your 40th year is everything you dreamed of and more. Times flies, but it is a blessing to spend a birthday with a sister as beautiful as you. You are my strongest support, my best friend, and my hero. I love you bunches and snuggles! Wishing you all the best on your special day from here to heaven!!


  • I could never repay you for all that you do. You’re not just my sister, you are my best friend. I love you with all my heart and I can’t wait to celebrate your big 40!


  • You are my person. Most people have friends, but I have you. You are my best friend and I love you to the moon and back. I am so happy that you came into my life 40 years ago, and that you will be by my side forever.


  • You have always been my beacon of light, a shining example to follow. At your age, I thought I knew everything. Yet here you are a decade later wiser and more mature than ever! You have a strong resolve for what you believe in and the courage to face any obstacle head-on. I stand in awe as you achieve all those things you’ve dreamed of despite your age. You are truly a success story and I am so proud to call you my sister!


  • A word of advice……I was never meant to tell you how I feel about you, but I guess you deserved to know………I hope you know……that you’re beautiful, kind, thoughtful and the most caring person in the world! I’ll always have your back and be there for you no matter what. I love you more than any words can say!


  • You grew up to be a sassy, classy, & very, beautiful woman. I always looked up to you. In fact, I still do. You are extremely talented and creative. The most amazing person ever. I love you so much! Happy 40th Birthday, Sister.


  • I know we have moved away from each other the last few years, but no matter how much distance there was between us I could always look up in the sky and see you shining down on me. Happy Birthday, sister! I love you so much! Happy 40th Birthday, Sister.

For Your Son

  • My heart overflows with joy this day. Not just because it’s your 40th birthday, but because you are 40 years old and still single! I know it was hard growing up with a woman like me for a mom. You should be celebrating alone.


  • You are the son I never had, and yet I am so blessed to call you my own. Happy 40th birthday to the man of my dreams.


  • You’ve been my best friend and the greatest man I knew growing up and it’s crazy to think that you’re turning 40. You were there through my life, dropping me off at the bus stop for school and picking me up when I was sick.


  • Your mom and dad love you so much. We will always be here for you and we couldn’t be more proud of the man you have become. Happy Birthday!


  • I am so proud of the person you have become. You have a big heart that shows how much you care about everyone around you. I know there is so much more ahead for you and I couldn’t be more excited to see where it takes you. Happy Birthday, Son!


  • You are my whole world. I could never imagine life without you, never mind living it. You make me smile every day and even when I am sad you lift my spirits and make me happy again. I love you with all of my heart and soul and nobody will ever take your place in my heart. I can’t wait to see what the future has in store for us!


  • There are so many things we could say about you, but the only important thing we really need to say is that we love you!!! You mean more than words can express and we just want more than anything for you to be happy.


  • When I think of my life without you, it makes me sad that all those thoughts bring is emptiness. You turned this man into the best father I could ever be. Happy birthday to my miracle baby boy who turns 40 today. I love you son!


  • We have come a long way from that little baby I held in my arms. Your journey can be described in a lot of ways, but it is really defined by the love you have shared with the world. You have been there for so many people and have given your best in all your endeavors. You have inspired so many people and made a difference in so many lives. We are so proud of you and wish you a great 40th birthday!


  • It’s not every day that a child is born. So every day that you do exist is special and deserves to be celebrated. You are such a blessing and bring so much joy into my life. I love you so much, look forward to the many years we will spend together!


  • You were the finest gift I could ever receive, and I couldn’t be more proud to be your dad. You’re stronger than you think, smarter than any of us could ever imagine, and eager to take on whatever life has in store for you. You’ve brought so much light and laughter and love and joy and happiness to my life. Every day I marvel at how blessed I am to be your mom. Happy 4oth birthday, son.


  • You are the best son a father could ask for. I am so proud to be your dad. You have grown into a fine young man that has great character, determination, and love. I know you are going to accomplish great things in life. Happy 4oth birthday, son.

For Your Daughter

  • So many changes have happened in the past 40 years. Our lives have changed so much, but one thing that remains the same is how much I love you. We may not have spent every day together, but we were always each other’s priority, and no matter what we were with each other by choice not by circumstance. I love you and will continue to for as long as you live!


  • When I look at you I see myself when I was your age. You are the smartest, funniest, most beautiful person I know. You are my best friend and when you hug me your love spills all over me like sunshine. On this special day, I want to thank you for always being there for me, making me laugh even on my worst days. You mean the world to me and I love you with everything I am! Happy 40th birthday, daughter.


  • Happy Birthday little girl! I am so proud of the woman you have become. You are my hero, my heart, and my life. I love you with every beat of my heart. My sweet Rosebud, I will love you forever. Happy 40th birthday, daughter.


  • I am so lucky that God gave me such a wonderful daughter like you. You fill my heart with love, joy, and happiness. I can’t wait to see what God has in store for you and the wonderful things He has in store for all your future endeavors. I love you so much and am overflowing with pride knowing that you are an amazing person of strong conviction, integrity, and spirit. Happy 40th birthday, daughter.


  • The amount of love that I have for you cannot be measured in just one lifetime. I will forever love, care, and protect you with all my heart. I am so proud of the person that you have become and am ready to share more life adventures with you! Happy 40th birthday, daughter.


  • Happy 40th birthday, daughter. You are my very best friend. When I look into your eyes, I see you smiling. I don’t know what I did to deserve you, but I am so grateful that you are in my life. Your amazing soul is so beautiful—inside and out! You are the daughter of my dreams, and each day I wake up with a smile on my face because you are in my life.


  • There is so much love in my heart for you, my precious baby girl. I never thought I could love someone as much as I love you. You are my whole world! You’ve taught me how to be a good mom, you are my best friend, the one person I can always count on, and probably most of all, you are your daddy’s baby girl. Happy 40th Birthday!


  • You are so unbelievably special to me. I find you more beautiful each day with your gorgeous sense of humor, big heart, and loving spirit. You are my little girl but you are so grown up. I can’t believe you are turning 40! It seems like yesterday I was changing your diapers (and now they change mine!). I love you very much, Happy 40th Birthday, daughter!


  • Happy Birthday to the best daughter in the world. You are such a blessing and such a joy. You can always be my baby girl as I will always love you no matter what comes your way. Break a leg and please don’t ever change. Happy 40th Birthday, daughter!


  • You are a beautiful person. I’m so lucky to have you as a daughter and a friend. I love you tons! Happy 40th Birthday, daughter!


  • My life wouldn’t be the same if you weren’t in it! I couldn’t have asked for a better daughter. You are my world, my joy, my sunshine! Happy 40th Birthday, daughter!


  • Happy 40th Birthday, daughter! You are my heart, the sunshine in my day, and the joy that fills my soul. You are beautiful with or without make-up on, talk about your nose ring more! You are amazing. I am so proud of the woman you have become. Love you! I will do this for you until you are very old…I love you with all my heart!

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