1st Birthday Instagram Captions for Baby Girl or Boy

The first birthday of your baby is a very special day. It is the day your baby grows older, and the day you have to take a step back and appreciate his first year. It is the day you first realized that your baby has grown into an active toddler, and is going to keep you on your toes for years to come. However, his first birthday is also a time when you realize that your baby is going to be your baby forever! And you will love him just as much, if not more, as you do today.

What do you write on a birthday Instagram caption for your baby? It’s one of the easiest 1st birthday Instagram captions to write since it’s all about your baby and capturing his or her cuteness. Use your baby’s name for Instagram captions. You can also use your baby’s birth stats for Instagram captions such as “one year ago today, you arrived bringing us so much joy. We can’t wait to see what your next year brings!”

We have the best birthday Instagram captions for the most adorable, most special baby on the planet! Whether you’re looking for cute boy captions for the #1 guy in your life or cute girl captions for the sweet little bundle of joy, we’ve got you covered.

We’ve gathered our favorite Instagram captions for babies in one place for you to choose from. Whether your baby is the cutest, the happiest, or the most cuddly, find the perfect social media caption here.

Related: 2nd Birthday Captions

For Your Son

one year ago, the day you came into our lives we fell completely head over heels in love with you… Today we celebrate you and the joy that you bring to our life … Happy Birthday sweet boy !! #Son1stBday.

Happy birthday to my darling son. Doesn’t get much better than spending his 1st birthday surrounded by friends and family. #HappyDay #LittleMan.

Cheers to my baby boy turning one! He’s the best thing that has ever happened to me! 🎉#DaddyLovesYou.

Happy Birthday to my little guy! I love you to the moon and back.

Happy birthday to this little sweetheart of a guy. What an incredible 1st year it has been!🎈🎉 Love you dearly. #happy1stbirthday.

1 year ago today, you came into this world kicking and screaming. Until that moment, I didn’t even know I was capable of loving someone so much. Happy Birthday to my beautiful boy.

Delightfully delicious! Such a wonderful year. Thank you for being the best baby we could dream of wishing for. Sweet dreams, my love!!

For Your Daughter

A year ago today, this fierce little princess came swaddled into the world. We’re excited to watch you grow💙 we love you more than you can imagine, Happy Birthday.

One-year-old today. Wow, where did the time go? We love you to the moon and back every day. Happy birthday baby girl.

Congrats to my little princess who turned one today! Love you big. Happy birthday.

Happy Birthday, little one. You are so loved and already a part of my life in so many ways. I can’t wait to watch you grow and discover the wonder of life.

Here’s to my little angel turning ONE! It’s been an amazing year and today we celebrate your victories, big and small. #happybirthday #family ##.

Cheers to my little girl growing up 😍👶☺️🎉. Can’t believe he’s one already 💙👶🏻.Happy birthday, dearest.

Another year of smiles, laughs, snuggles, and mischief. What an amazing 12 months! Happy birthday to my beautiful little angel.😍

For Your Sister

Happy 1st Birthday to the best sister ever! I’m so lucky to have you in my life and I love you! #1yearold ##

Happy 1st birthday to my little sis! Here’s to all the times you make me laugh and smile. Love you big.

Happy birthday sweet girl. My heart is big enough to love you for the rest of my life. I love you, my sweet little sister.

☀Wishing you all a magical birthday that’s filled with lots of laughter. Happy Birthday to my amazing sister!

12 months ago you were born 🥰 today, we celebrate you turning One. Happy birthday, dearest.

Happy 1st birthday to my sweet little sister 💗🎉🎈 Love you dearly, pumpkin.

HAPPY 1st BIRTHDAY to my baby sister. I can’t believe how fast you grew up. All the fun times are yet to come.

For Your Brother

What day is today? It’s the day I celebrate the one who makes every day better. Happy birthday, my AMAZING brother. I love you to the moon and back 🎁😘.

Happy 1st birthday to my adorable, little brother. I can’t believe you already took your first steps and said your first words! You are growing up so fast. Enjoy every second of life!

Happy Birthday, Sis! You are such a blessing to our family and I love you so much ❤️🎂 #firstbirthday

Happy Birthday, Sister! You’re the best sister I could imagine and I love you more than anything on earth🎂.

Happy birthday to my sister in the big 1! I love you to the moon and back 😗.

First candles, first cupcakes…first year of life 😊 Happy birthday, sweet sister! ❤ #birthdaygirl.

Happy First Birthday to my baby sister! You’ll always be in my heart, forever.

For Your Boss’s Son

Happy 1st birthday to my boss’s sweet baby girl. Can’t love you less😍😘.

Happy 1st Birthday, my darlin’. I hope that everything that you want in life is fun, joyful, and easy for you.

Happy Birthday to my handsome little boss’s son! I hope your day is bursting with love and happiness! Wishing you lots of love from me to you!

My boss’s son has a sweet 1st birthday today! I love you to the moon and back, tiny munchkin. 🐒 🍉😘

HAPPY BIRTHDAY, baby boy! I love you so much. Here’s to your first🎂 year of life. Hope it’s filled with so much love.

Happy birthday to my boss’s son. When little humans like you are born, the world becomes a better place ❤

Celebrating the 1-year-old birthday of my boss’s cute son. Happy birthday, dear. ##

For Your Boss’s Daughter

Happy 1st birthday to the boss baby herself, what a little angel you are, love you! 💛🎂👶🏻

Happy 1st birthday to our boss’s little daughter. Enjoy your special day and many more to come!

Happy 1st Birthday to our little Princess 👸🏼. The joy you bring to us every day knows no bounds, love you loads. 🎂

Happy Birthday to the sweetest little girl on the planet! 🎂 Thanks for the laughter and the smiles. 😍 Happy 1st birthday.

Happy Birthday to the sweetest little girl I’ve ever known. You are one year old, and I cannot believe the size of your heart. Love you, dear.

I’m celebrating the birthday of a beautiful angel today. Happy birthday, dearest. 🌸🎂

Celebrating this beautiful, lovely, funny, smart girl who is turning 1 year old! Happy Birthday, Can’t wait to see what you become.

For Your Friend’s Child

Happy 1st Birthday my little pumpkin!! Love you so much 🙏🏼

It’s hard to believe that our little angel is turning one year old, how time flies. 🎈🎉 #1stBirthday.

This kid is growing up so fast! Happy first birthday to my sweet baby boy 💙.

Happy one-year-old to my favorite little guy. I love you so much. 🐰👶

HAPPY BIRTHDAY, DEAREST! I am honored to be a part of your celebration today and to celebrate another year of life for you. I can’t wait to see what this next year holds in store for you.

Happy birthday to the most interesting child I’ve ever met! Love you big, dear.

Happy 1st Birthday to my little friend’s child! You are such a blessing.

Happy birthday to my amazing friend’s cute, precious baby girl.❤️😍 Love you dearly.

Happy Birthday little one! I’m making a conscious effort to not be jealous of how cute and adorable you are and instead be happy that you exist. Love you. 😍😘

Happy Birthday to my cute little angel! How time flies when you’re having fun! 😊Love you always and forever….

Happiest of birthdays to this joyous and spirited child of mine. 🎂🍰 Love you loads.

1st birthday for my friend’s baby. Lots of love and happy wishes to you!

🎉Happy birthday to the sweetest baby in the world 🥰 I love you more than words could ever say 💕😘.

I can’t believe my little cutie is 1 today! I’m so excited to celebrate the next year of growth and adventure with you, sweet girl. ☀🎉🌈

Happy birthday to my little man, who has already experienced more love than I could have predicted! Here’s to many more fun years together.

🎂 Today I’m celebrating the birthday of one very special boy: my best friend’s son! Happy birthday, sweetheart. 🤰🍰

For Your Grandchild

Happy 1st Birthday to my grandson! I love you and am so thankful for you joining our family. You have brought so much joy to my life, love you big.

Today’s the day! 12 months ago, we were welcoming my beloved grandchild into this world; let’s celebrate her 1st birthday with a bang 🎉

Happy Birthday, little one, may your days be filled with many wonderful years to come 🎂

Growing up is always an adventure, especially the first year of life! Hope my grandbaby’s birthday is a fun-filled one. 😊

Happy Birthday to my little grandchild.👼🎉Love you to the moon and back.

happy birthday to my grandchild, 🎂 this little lady has been a bundle of joy since she was born – full of smiles and giggles, with a huge imagination. here’s to another year! #happybirthday.

Happy 1st birthday, sweet one 🎂 The best is yet to come! * * *

Happy 1st birthday to my granddaughter. Look at how cute her eyes are👁. So much more growing up to do. Love you loads.

Here’s to the birthday boy! I love you so dearly, grandson😘😜😙

Happy Birthday baby boy! I love you to the moon and back #1stbirthday.

I couldn’t be more proud of my grandson for turning one today, and I’m so glad I am here to celebrate with you. #happybirthday.

👶 👦 Happy Birthday, darling🎂 ! You’re growing up way too fast 😢. Hope you have a fun birthday!

I can’t believe my granddaughter 1 already! It’s been such an exciting journey getting to know her, watching her personality unfold, watching her grow. I’m so proud of her.

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