If you are looking for some happy 18th birthday grandson wishes then look no further. I’ve got many happy 18th birthday grandson wishes just waiting to be used on Facebook, Twitter or even in person. It can be hard coming up with the perfect something special to say on your grandson’s birthday especially if this is his first birthday as an adult but that shouldn’t stop you from getting creative.

Happy 18th Birthday Grandson Wishes

1. You are everything a grandfather could want for his first grandson. You have a fantastic personality, a kind and caring heart, a positive spirit, and a loving energy that surrounds you. Happy 18th birthday! We love you very much and we look forward to seeing what life has in store for you!
2. Today is your 18th birthday and I want to wish you many happy returns. May everything you do make you happy and full of pride. I hope in your life you are always true to yourself and others. Wishing you a lifetime of happiness and love.
3. Hey son, you might think it’s a little early to wish you a happy birthday, but I can’t wait another year. You are such an important part of our lives and we want you to know how much we love and appreciate you. We are so proud of the young man you have become. Like all parents, we couldn’t have imagined a better son. All your grandparents and entire family wish you a very happy 18th birthday. I’m sure there will be some surprises from them!
4. You’ve grown up so fast. Before I know it you’ll be an adult and out of the house! I can’t believe my little boy will be turning 18 in just a matter of days. I will always love you whatever path you choose to take and hope you find everything you want and need.
5. I’m going to miss giving you birthday cards every year for 18th birthday. It’s been wonderful watching you grow from a baby into one smoking handsome man! I’m so proud of how much you look out for mom, helps her around the house, and that you’ve developed your own style and sense of humor. I can’t wait to see what is in store for your future. You will always be my baby boy.
6. Hope your birthday is the best ever! You were so cool when you were born. You’ve always been my little buddy. Now that you are 18 I can’t think of anyone better to have in my life. Have a great birthday! Love you, Grandma and Grandpa.
7. Big Hugs and Big Kisses. I just want you to remember that, more than anything, I love you very much. Your happiness, above all else, is what I live for. I’m honored to have been your grandmother! Happy birthday grandson.
8. Grandson, you’re now 18, so make the most of life. You’re the best grandson anyone could ask for. Enjoy your birthday and all that comes with it. I love you!
9. I Love You Grandson, may you have a fabulous day!. I hope your 18 birthday is magical and brings you lots of joy…I am so proud of Who you have turned out to be and the young man that you are. Thanks for always being my little buddy and being there for me whenever I need someone to talk to. I love you!
10. Wishing you all the best on your 18th birthday! I can’t wait to see how you change and grow over the years. You are such a bright, caring and fun teenager, who has inspired me to be a better mother and person. I love you more than you will ever know!
11. You have grown up to be the most amazing young man. I love you so much! I am so proud of the person you are turning out to be. You are kind and smart, and your smile can light up a room. You bring me so much joy. I cherish you and adore every moment I get to spend with you. I hope you have the most wonderful day!
12. I hope your 18th birthday is fantastic and filled with fun and lots of love. These next few years are going to be a blast! I cannot wait to spoil you more than before.
13. Happy Birthday, my beautiful grandson. There are so many things to say, though I know you’d rather have a great life than hear me talk your eyes off. I hope that your new year is a happy one, and that you get everything you could ever want, except maybe another birthday!
14. Happy 18th day! We’ve come a long way since the diapers, Sippy cups, and pacifiers! You are officially an adult! As your grandparents we hope you will always remember that we are here whenever you need us and if there is ever anything we can do for you, all you have to do is ask. And, of course, if you need money to get that new car or that 20 inch television at Best Buy, just let us know!
15. Happy birthday grandson. I am so proud of you today and always. You are an amazing young man! Always remember that I love you, I am here for you and when you need advice or help, you call me…I love you lots…
16. Happy 18 birthday grandson. Wishing you many happy returns of this special day; a day that offers the milestone of turning legal, fast cars and less hair. Love you loads little one.
17. You are a fine young man and I am so proud of you. Happy 18 birthday grandson.
18. I remember when you were born and I will think back to that once-in-a-lifetime moment every single day. You have grown into a wonderful man, but I still see traces of that little boy when I look at your face and the twinkle in your eyes. Those memories will keep me going for the rest of my life. Happy 18 birthday grandson.
19. Happy 18th Birthday, it’s hard to believe you are so grown up now. You always were a little grown up even when you were very young. I’m so proud of the young man you have become and can’t wait to see what you will accomplish in your life.
20. You’ve come a long way, baby, and today is the perfect time to celebrate your 18th birthday. I wanted to send you this birthday message so I could remind you of how much I love you. You mean the world to me and I hope that one day you’ll find someone who will repay your kindness and just maybe make you a little happier than I ever have.
21. I can’t tell you how much we love and miss you. To my brave sweet boy, I hope you know that your birthday is very near and dear to our hearts. You are in our thoughts every day no matter where we are or what we are doing. Happy 18th birthday my darling! We look forward to being reunited with you in heaven one day, but for now, it’s just not the same without you here with us.
22. Congratulations on your 18th birthday! Your life is just beginning and I hope you live it to the fullest. It’s not every day that a young man turns into a man, so enjoy these years and take advantage of growing up. Once these years are gone, my friend, they are gone forever. So cherish each moment because someday you will be looking back fondly at these times.
23. Happy Birthday to the best grandson ever! I love you so much and can’t believe we only have one more year until our “generation” is in their 20s. Those are some exciting yet scary times coming up! I can’t wait to see what you do with your life in your next 18 years. Keep loving and being loved.
24. Roses are red, violets are blue, I hope you have a wonderful day, but I’m more thrilled that it’s finally your birthday! Happy 18th birthday today from your sweet and loving grandparents.
25. It’s your Birthday!!!! I want to wish you the best day of your life. My sweet young man, my heart is filled with love and joy because you are mine and I’m yours. Today I want to let you know that when you were just a little boy, ages ago! Your grandfather loved you very much. He wanted so much to take care of you and be with you.
26. Happy eighteenth birthday, grandson! I know you’re an adult now, but please know that you’ll always be my baby in my eyes. I love you more than words can say and hope you have the best day ever!
27. Happy 18 birthday grandson. I will always be here for you no matter what! I only want you to know that you can count on me. You are and forever will be in my thoughts and prayers. I love you!
28. I’ve often wondered if I would know when my grandson would have an important birthday. My answer was no until today. Watching you open your birthday presents with such joy, wonder and excitement makes me feel like a proud grandma. Knowing that I will be here to see you turn 18 with so much excitement in your life makes me so very happy. You are growing into such a fine young man and I can’t wait to see what the next year will bring. You are always in my prayers.
29. Happy 18 birthday grandson. You make me so proud. You are my sweet, funny and loving grandson and I am very grateful to have you in my life. Your parents love you very, very much. We can’t wait to celebrate your special day with you, we love you and hope it’s the best birthday ever!
30. Happy 18 birthday grandson. You’re only 18 for a little while longer, but I just wanted to let you know how proud I am of the young man you are becoming. Congratulations on completing high school and starting the next chapter in your life.
31. Thanks for being such a great grandson. As you navigate your way through life, remember that you can always come to me for advice. I love you more than you will ever know. Happy 18 birthday grandson.!
32. Happy 18 birthday for my grandson. I love you to the moon and back. Happy Birthday!
33. Happy 18 birthday grandson. ! I don’t know where the time went, but you’re now 18 years old. Wow. The first couple of birthdays didn’t seem like such a big deal, but at 18 it’s a pretty milestone.  I really hope this next year is a great one for you and that it’s happier than the last. Enjoy your birthday, we love you bunches and bunches!
34. Happy 18 birthday grandson. I remember the day you were born so clearly. You were so precious. I held you when you took your first breath, I stood next to you in your first steps, and I was there to wipe away your first tear. You make me proud every day to be your grandfather. Today on your biggest birthday, I hope it is filled with the largest amount of joy.
35. Hey buddy. I know I haven’t been around much, but don’t worry. I love you and care about you more than anything and will always be there for you. You are a constant source of inspiration to me. I hope that you have an amazing day filled with friends, fun, crazy times and everything else that makes birthdays awesome. Happy 18 birthday grandson.
36. Happy Birthday 18th! You’re one year older. Hooray! When you were born, the world changed for me. I wanted to be there for every milestone and experience that comes with life, so that I could replay them in my mind when you’re older and gone. I do this not just for me, but for you too; to help guide you through life, if possible.
37. Grandson, today is a very special day. I hope you had the greatest 18th birthday, and I hope all your dreams come true.
38. Happy 18 birthday grandson. You became a man today, and I couldn’t be more proud. You’ve grown into a beautiful soul and I pray that you keep on the path to success. We love you so much and we can’t wait to see what the world has in store for you.
39. Happy 18 birthday grandson! I hope that you have a great year, it’s one of the most important ones in your life! Enjoy the party and don’t do anything illegal . . . well, if you do, don’t get caught. Your family loves you very much and we hope this is the start of a wonderful time in your life.

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