Birthday wishes to a grandson can be tricky because you don’t want to go overboard but at the same time you want to say something that is nice, but also meaningful. Before you start writing a card for your grandson’s birthday, take a look at these happy birthday quotes first. They are the perfect way to celebrate your grandson on his special day!
Happy 15th Birthday Grandson
- We’re celebrating 15 years of business and we can’t think of anyone we’d rather spend it with than you. Happy birthday, Grandson! #HBDGrandson
- Best wishes on your 15th birthday, Grandson! We love you so much. Happy Birthday! 🎂🍰❤️
- Happy Birthday Grandson, may all your birthday wishes come true. 15 today!! We are very proud of you ❤🎂😊
- Love you to the moon and back. Happy 15th Birthday! #HappyBirthdaySon
- Sweet 15 to this handsome guy! You’ve been a great big brother to Garrett and a constant source of humor! Happy birthday, Miles. We love you so much.
- To my sweet grandson, today you turn 15. What a beautiful day for this beautiful young man. I love you so much! Here’s to many more years of seeing your wonderful smile and hearing your sincere laugh. Happy birthday, my darling.
- Wishing a very happy birthday to my gorgeous #grandson! 🎂🎉
- Happy 13th birthday to my best friend, my buddy, the one that pulled me off the ground when I was about to get wrecked.
- Some sun, some fun, and some serious sibling selfies at the beach 🏖☀️❤️💙 #15Birthday
- Wishing you a day full of fun and laughter! 🎉🎂🎈
- Somebody call the fire department, because the candles on this cake are way too lit.🎂👨👩👧
- Happy 15th Birthday Grandson, you’re just as wonderful as you were 15 years ago! Happy birthday!!
- Happy 15th birthday grandson! You make me laugh and you make me proud! I love you ❤️
- Happy 15th birthday to my grandson! You bring so much joy to everyone in the family. Thank you for being such a wonderful addition to our lives. Love you, Grandma.
- Happy 15th Birthday to my grandson! I hope you have a wonderful day and a lifetime of happiness. Love, Grandma
- Happy 15th birthday to our grandson! Hopefully, no more of your teeth can fall out! lol from your grandparents. 😀
- Happy 15th Birthday to my awesome grandson!
- Throwback to when my #1 grandson was just 1 year old. Happy 15th Birthday! Love and kisses from Gram and Pops 🍷
- Happiest of Birthdays Grandson! I am so proud of the man that you are becoming🎉
- Making wishes on stars and putting flowers on my cake. Hope it’s a dream come true 🌟🎂 #yourarecindito15 #happybirthdaygrandson
- Today my grandson is 15 years old. When my daughter told me about the birthday, my first reaction was “oh baby” cause he used to call me that. I guess now I’m his baby.
- 🎉🎈 HAPPY BIRTHDAY LUKE! 🎈🎉 15 years old today…Watch out world, he’s on the move! Also, celebrating our sweet little Ava turning 7 today…She
- May you never lose your willingness to take risks. That’s what makes a great adventure out of a good day. 🎈🎉
- Happy 15th Birthday Grandson. Today It’s Your Day and I Hope That You Find A Way to Have the Time of Your Life 🎁🎈🍰👑
- It’s your birthday. Make a wish, blow out the candles and make this year YOUR best year yet. Love you! Happy 15th Birthday Grandson.
- turning 15 today, and we love you #happybirthdaygrandson #babylove #grandmother
- Happy 15th birthday to our grandson, may all your dreams come true 🎂💙
- Although he’s officially reaching adulthood, we still see the adorable little guy who used to carry around his own (tiny) briefcase. Happy 15th birthday, Christopher! 🎂🎉
- Happy 3rd birthday to my grandson! You have been one fun and busy boy, but you always give lots of smiles and giggles along the way. Love you! 😀
- 15 is the coolest age – fun, funny, and fearless. Today you’re 15. Happy Birthday! 🎂
- 15 today. What better gift is there than the experience of living? Happy birthday, Luke. You’re already making it great. Here’s to many more. #HBDLuke
- It’s your birthday! You’re officially 15 years old today! We wish you great health, happiness, and great success in the future. Love you very much 🎂🎈🎁#birthdayboy #party
- Love you son, here’s to another 15+ years of loving and laughing. 😎
- Today is the day. Have a great one son, you are getting so tall. Happy birthday!
- I’m so greatfull to have you in my life. Have a wonderful birthday! 🎂
- Throwback 15 years ago today on this rainy day in Germany to your birth! Here’s to many more memories. 😎
- Happy 15th birthday to my grandson, thank you for making lots of happy memories 🎂🎉️
- Happy Birthday to My Grandson…Nice 15th B-day! May All Your Birthday Wishes Come True…Much LOVE
- Wishing special 15th birthday wishes to my beloved grandson. We love you so much, Michael!
- 🎈Happy Sweet 15 to the best big brother & snuggle buddy. I’m so proud of who you are, and amazed by how much you’ve grown up! #GrandsonDay
- My loving grandson is turning 15 today. I just want to tell him that always remember that my love for him will be expressed in my thoughts and prayers.
- Happiest of Birthdays to the sweetest, most loyal grandson in the whole world! I love you more than you will ever know!
- Your sweet smile is the first thing I see each day, and it makes my entire day. So happy birthday, grandson. I love you!
- Happy birthday to my beautiful grandson, may your life be filled with lots of love, laughter & happiness 🎂🎉
- Wishing you a fun-filling 15 years full of laughter, love and more adventures. 🎉
- Wow! 15 years ago, today, you came into the world. Love you to the moon and back, this is for you 💙😘 #birthdayboy
- Your favorite cake is coming…for your birthday we’re cutting the pie for you and taking you on a roller coaster ride. Happy Birthday!
- Happy 15th Birthday Grandson! I am so glad God allowed me to raise such a great grandson who is turning into the man I knew you’d be. Wishing you all the best as you grow into a fine young man.
- Happy 15th Birthday to my sweet, beautiful grandson. I’m so blessed to have you in my life and look forward to watching you grow at each milestone. Happy Birthday!! Love, Nana.
- Happy 15th birthday to my sweet grandson Connor, 🎂🍰🎉
- Ever since you were a little kid, we could tell that you’d end up being one of the good ones. Happy 15th birthday, Grandson!
- Happy 15th birthday to my awesome grandson, who has grown wiser each year 🎂😜😘
- Happy birthday to my loving grandson! Just turned 15 and we love you already. 😍 Love, Nana and Papa
- Happy 15th Birthday Austin. You make our family smile! So proud to be your Nana!
- Love you buddy! 15 years down and many more to go! A wonderful and happy birthday for you!!!
- We love you beyond words and often beyond reason, but most of all we love how incredibly handsome you are. 🎂🎉👨👤
- Happy 15th Birthday to my grandson, on your birthday I wish you all the best. Have a beautiful year with lots of fun and joy. Have fun on your sweet sixteen❣️🎂
- Happy 15th Birthday to my grandson, Kyle. I hope you like the sweater and love the adventure we went on for your birthday (and got to finish the fire starter we started when we were in Maine) 🎉🎈❤
- Best birthday ever to the best nephew and big brother around. Happy 15th birthday, Michael! Love you! ❤
- Today’s a particularly special day. Our grandson, who is a part of our family from the day he was born, turned 15 today! Happy birthday to you, Matthew! We love you so much and are grateful for this milestone in your life.
- It’s your bday! Happy birthday to my grandson, to a great kid and a great friend, have a fun day.
- HAPPY BIRTHDAY MAX we love you so much!!! We are so proud of you and all you have achieved in your life so far, and we can’t wait to see what the future holds for you.
- HBD to my #1 👶🏽 -birthday boy! I love you so much and can’t wait to celebrate with you tonight. 🎉🎈🎊❤❤️
- I am very happy I got to see him grow up. He is starting his freshman year of high school this year.
Happy 15th Birthday to Grandson
- Glad to see you growing up. Here’s to many more years of laughter, hugs and remarkable memories.
- Special moments are not made, they happen. And if you’re lucky enough to be there for that moment, then you were exactly where you needed to be 🎂 #HBDDarlingBoy
- I am so proud of the man you have become and so thankful to God for bringing you into my life 💙
- Stay curious and keep learning. We’ll catch you on the flip side. Happy birthday son.
- Happy 15th Birthday Grandson! We love you so much and are so proud of the person you have become. You have a passion for life, a sense of humor to match, and a heart that is pure gold.
- Happy 15th Birthday, Grandson! Hope it’s your best one yet. 🎂
- Wishing you all the joys of life…on your special day. Grandson, happy 15th birthday! 😊👍
- Happy Birthday Grandson – Here’s to 15 more years of fun, love and laughter.
- Your work ethic is amazing, I can’t wait to see where life takes you. Happy Birthday | Happy 15th Birthday!
- 15 years of laughter and cheer. Happy Birthday Grandson!! 😊🎈
- Sweet 15, my dear grandson. Hope your day is as wonderful as you are! 🎂🎉
- Happy 15th Birthday, Austin! We love you so much. You are totally awesome—but then again that’s no surprise, since you got it all from us. 😉
- Making memories is what life with you is all about… Happy Birthday.
- 15 years ago, today, we took one small step and made you the happiest man on earth (or at least in your entire playgroup) 😀🎉😄
- It’s your day, young man. Here are some attributes to get you through the day feeling confident and happy 😉
- Cheers to you 🥂🎉 for this milestone. Love you bunches and bunches.
- Happy 15th Birthday to the ever-adorable, precocious, kind-hearted, talented, and clever grandson 🎉🎂🎁
- Happy 15th birthday to my beloved grandson! 🎉
- Happy 15th Birthday to my sweet boy. I love you and am HONORED and BLESSED to be your Nana. 💞🎈😘❤️
- Happy 15th birthday SON! Love you always 😘🎉👶
- Happy 15th Birthday!!! I love you and can’t wait to see where your life takes you.
- Happy Birthday to my sweet little man! 🎈 You are the best grandson, and I couldn’t be luckier to be your grandma! 💕 #HappyBirthdayGrandson @HappyBday
- Happy Birthday Grandson. I hope you enjoy the cake more than the 3-hour piano recital! 😎
- What do you get when you throw a birthday party for your grandkids?
- Today, two years ago, our precious baby boy was born! Happy birthday Carson!! We love you more than words can say 💗🎂
- Wishing you all the joys on this day, on every day. From your Nana & Pop
- we know you’re gonna do great things, wherever you go! 🎂🍰
- 🎂Happy 15th Birthday, Happy Birthday to my grandson, happy 15th birthday grandson #15yearoldbirthday
- Happy 15th Birthday to our angel boy, our friend, son, grandson and all-around good heart. Love you boa! #happybirthdaygrandson
- Happy 15th Birthday to this hilarious, compassionate, deep-thinking, compassionate, and humble guy.
- Happy 15th birthday, Jake! Lots of love and hugs, your favorite grandparents ❤️💕
- Today is a celebration of everything you’ve become. And this cake is a testament to all the sweet treats in your future. Happy Birthday! #HappyBirthdayGrandson
- Happy belated bday to my favorite birthday boy. You turned 15 last week. My Big boy! I love you so much buddy #15
- Proud to have a grandson like you, who’s kind and gentle; Makes me proud to be your Granny. #Birthday #Grandson #HappyBirthday
- All these candles make me want to wish you a belated Happy Birthday, my sweet grandson 😋🎂👍🎉
- 15 years ago, today I received a phone call that changed my life forever. Happy Birthday, D! I love you more than anything in the world ❤️🎉
- Best wishes on your special day! We hope you’re ready for 15 years of adventures. 🎈❤
- You’ve taught us what makes life great…laughter, love, fun, family and friends. Happy Birthday to our Sweet Lil Man!
- Hope you have a great day and see where your passion and dreams take you on this special day 🎈😍
- Have the best birthday ever! Love you 💓
- Happy 15th birthday to my best grandchild.
- One of my most favorite gifts in life is the gift of time with you. So much to talk about, catch up on and enjoy. Happy 15th birthday to my sweet grandson!
- May you continue to be a source of inspiration and joy in our lives. Happy 15th birthday, [grandson].
- Happy 15th birthday to my baby boy, my partner-in-crime, and my all-time favorite snuggle buddy 💙🎂
- 15 years is a big milestone so it’s only right we celebrate with a big party! Happy 15th Birthday Gabriel!! #GabrielSohHappyBirthday
- Happy birthday, sweet grandson! You’re a year wiser and a year closer to being a big brother. 🎂🎈
- Best wishes to my wonderful grandson who has a huge birthday this year!
- Happy Birthday to this guy who brightens every room he walks into. I love you! 🎂💘
- Hope you have a great birthday and grow up to do many great and wonderful things. More than anything I hope you know how much we love and adore you and how grateful we are for the joy and happiness that you bring to us every day.
- Wishing you a birthday so big and bright that no amount of candles could possibly be enough
- Glad we’re still celebrating your growing years with you, and that the best is yet to come! Happy 15th Birthday, Grandson!”
- A grandson is a gift from heaven. Happy 15th bday to our favorite!😍❤️
- HBD is always 15 in our hearts! Happy 15th birthday to our cherished grandson.
- Happy Birthday, Mazy! We’re so happy to celebrate 15 years with you. So glad to call you our grandson. We love you so much! Love, Grandma and Grandpa #Grandson #HappyBirthday #Bestbdayever
- Wishing you a day as sweet as can be! Hope your big day is filled with all the good things that make your life so wonderful—which are about to get even sweeter. Happy 15th birthday 🎂🎈👑
- Happy birthday to my wonderful grandson! I’m so blessed to have you in my life. Love, Nana.
- Happy birthday to my grandson! You are the greatest 🎉
- Happy birthday John! Hope you have a great one sweetheart! ☺️
- 15 years old today! So proud of you. Wishing you happiness, success, friendships that keep you smiling, and that your dreams always keep you soaring. 🎉
- You are the sunshine of my life, the smile of my face. From your grandma. 💙💕😍
- Have the most wonderful birthday. I love you more than you know. ✨🎂❤️💝
- sweet 16 sounds soooo much more fun! Let’s blow out your candles🎂!
- Happy 15th Birthday Grandson, I am so proud of you all the things happen to your life. Hopefully, you’ve learned to make wise choices in life, and I hope that you continue to do so in future. Best wishes for you!!
- Happy 15th Birthday grandson! The world will always be a better place because of you.
- Happy 15th birthday to our #1 grandson! Hope this day is filled with joy and happiness. Lots of love, Nana & Papa.
- I’m the luckiest Grandma in the world because I get to call you Grandson! Happy 15th Birthday🍰🎂
- Happy 15th Birthday to our sweet grandson, the cuddliest, littlest member of our family. We love you to the moon and back 💚👨👩👧
- 15 years ago, he came into a life a bouncing baby boy! ⚽️ We look forward to celebrating this year with him on his special day. Happy 15th birthday, baby! 👶🎉
- Happy 15th Birthday to our youngest love. We can’t believe how fast you grow up! We are always so proud of your accomplishments including being named an Eagle Scout before the age of 15.
- Happy Birthday, Alex! I hope you’re enjoying your special day and feel like a true 15-year-old.
- This birthday, we want to always love you, teach you right from wrong, and be your refuge in the storm. Happy Birthday Grandson!
- And remember, your 15 may not be the same as your grandmother’s 15. But no matter what you do, do it because it makes you happy 😊❤️
- You’re my best friend, you make me proud! Happy Birthday, I love you!
- Wishing you an amazing birthday, full of magic and wonder. I love you to the moon and back ❤️✨🎂
- You can’t choose your family, but you can choose to love them #Happy15thBirthdayGrandson
- 🎉Happy 15th Birthday 🎉Grandson🌲🍂Grandpa loves you so much.
- ☘️🎂 Happy 15th Birthday to My Grandson! Wish I was there to celebrate with you! #15birthday #15yearsold #15 #grandson
- Happy 15th birthday to our sweet grandson. Love, Godparents.
- Happy 15th birthday to my little grandson! I’m so proud to watch you grow into the man that you’re going to be.
- Congratulations to my grandson as he celebrates his birthday today. He’s such a special young man growing up so quickly. May you have many more years filled with happiness and fun! Happy 15th Birthday.
- For my 15th birthday, I think I’m going to get a six-pack and grow some facial hair. Happy Birthday Grandson!
- Happiest of birthdays to the cutest and most eligible bachelor in town!
- Happy Birthday Holland! You are the best grandson!! I love you so much!! 🎂❤️💯
- Thanks for all you’ve given us over the years—hope you have an incredible birthday! ❤️
- Happy Birthday, Grandson! You bring so much joy to our lives. We are so thankful for you! We Love You !❤️ Happy 15th Birthday . ❤️❤️❤️
- Happy 15th birthday to the coolest cat I know, my grandson. You brought me more joy than I ever thought possible:)))) Knowing you and having you in my life is a gift I strive to continually give back to you. Love you forever.
- 🎂🎂Happy 15th Birthday to our favorite smart, goofy grandson!
- The world is your oyster, but I know the pearls you’ll find most satisfying will be the people you love most. Happy 15th birthday to my grandson. I love you so much!
- Today is my grandson’s 15th birthday! I can feel he is growing up so fast. He’s an amazing young man, but there are days when I catch him just staring into space with that serious look of his.
- Happy Birthday Grandson, you are the best thing that has happened to me. I can’t even begin to explain how blessed I am that God put you in my life. You are a more of a son to me than any child I
- Happy 15th Birthday, We’re so proud of you! Love Papa and Nana.
- Happy 15th birthday, Kobe. Here’s to many more. 🍒🎈
- From one geek to another. Happy birthday and I’m proud of you. #grandson #grandsonbirthday #grandsonsbirthday
- Happiest of birthdays to the sweetest grandson a grandma could ever have. I love you.
- We already knew you were an inspiration, but having you around for our little one’s first 15 years has cemented that. Happy birthday to the most incredible kid any grandparent could have! #thebestbirthdayever
- HAPPY BIRTHDAY to my incredible grandson—may your day be filled with love & joy✨❤️ #Grandma #Love
- To my grandson, happy birthday to you.
- You’re only 15 once—make it the best one yet!