Sending birthday wishes for adult son is always a big deal. But sometimes, it’s the little things that matter the most. What should you say when writing a birthday greeting for your adult son? Use these examples as a guide.

Birthday Wishes For Adult Son

1. Dear son, on your birthday, my wish for you is to be happy and peaceful always. May you continue to remain in good health. It’s my prayer that good luck comes your way today and every day of the year. I hope that a sweet smile comes your way today and every day of the year. And most of all, I pray that God grants you his best in life ahead. Have a Happy Birthday!
2. I would love to surprise my dear son on his birthday with a beautiful cake. I know, he is always busy in his life. But on this special day I want to give him happiness and double delight.
3. Son, my life has changed since you entered it. You have become a man and I must say you are doing a great job at it. Happy Birthday to the best son ever!
4. Everybody involves bringing you happiness and success. Your wishes are the most important thing in the life of your loved ones, so these special people ​always try to make you happy on your birthday. I am happy because you are my son, and I really want to wish you a happy birthday! This is the best gift that I can give you! It is not expensive or luxurious, but it is backed by all my love and sincerity! I hope it will always be as warm and bright as you are!
5. Hey, son! Have a great day and many more to come. Thanks for the endless support and encouragement. You make every day brighter and sparkle up my dull life. Have a wonderful birthday. May you get the best of everything on this special day. I love you!
6. Happy Birthday to you! Happy birthday to you! Happy birthday sweet son! Happy birthday to you! It is so nice that we get to celebrate the day once more. I can’t thank God enough because of everything he has done for us but especially for choosing me as your mother. I pray that you will be happy and healthy throughout your life. Enjoy yourself today, my dear son, I know this should be a very special day for everyone that loves you.
7. Birthday can be a very special day for every one. This day people become close to you and your wishes is full fill now. I hope that you always have this feeling that you are the best and precious person in the World. I wish you happy birthday with lovely images, images which are very beautiful to see.
8. Your breathtakingly positive attitude towards life, your support and guidance in my career that I have grown to count on, the love and affection that you have showered me with, and your non-Stop encouragement has always driven me to be a better person. Thank you, son! I am glad you are a part of my life. Happy birthday!
9. Happy birthday, son! The day has come when you have to make a choice between good and bad. Make sure that you always choose the former!
10. Hi son! How has life been treating you? All I want is your happiness. I know you are a captive of the corporate world right now, but there is so much to explore outside. Have you ever thought of taking your significant other for a picnic in the park? You will forget about everything. You can plan a trip to the beach or a balmy and dim sum lunch with your buddies? So happy birthday to my first son, always!
11. Happy birthday to an intrepid son with a heart of gold! May all your wishes come true, and may you have an abundance of good health, joy, laughter and warmth in your life.
12. Dear son, today is all about you. I know you are an adult and knows everything, but still, I need to say thanks for all the sacrifices you have ever made for me and my family. We never had difficulties in life because of your support. The day you were born was the best day of my life. Son, on this special day, I just want to express my gratitude for the love and care you have offered me all these years! Happy Birthday!
13. Happy Birthday to my dearest son! Today I want to take out some time to appreciate you and all the times you have been there for me. I love you so much, my son!
14. Dear son, you a are an adult and you are a father. I hope you know how proud this makes me and your father. To wish you happy birthday is small compared to all the gifts you have showered on our lives.
15. Dear Son, you have come a long way. What you have achieved today is only the result of your hard work. I am so glad that we could spend these special moments together. Happy birthday to you and many more years of abundance to come. All my love!
16. Happy Birthday, son! Thank you for being a great friend. You are an incredibly kind and giving person. I know your life is going through a lot of changes at the moment, but everything will be fine. Stay strong!
17. I know you are grown up now, but that doesn’t mean you have stopped growing inside. Your beliefs, your morals and your heart are still developing. A birthday is a reminder that it is never too late to grow. You are me and I am you, I wish the world was as simple as that. Happy Birthday Son!
18. I remember the day you were born, I was so afraid that I will never be a good mother. But my fears disappeared when you locked your eyes on me. You were a sweet little bundle of joy to me, and I could not have asked for anything else. Now that you are all grown up, I still miss those days when you would cuddle up to me while we slept. Today is your birthday, and I wish you a great celebration.
19. Ollie, you have always been like a second father to me. You were right when you said that one day I will even go further than you. So, I am grateful because it’s your super example and motivation that have helped me pursue my dreams and make them come true. On your birthday, I want to wish you all the success in the world. And hope you live a long life with all the good things you deserve!
20. Happy birthday to an amazing husband! I’m so thankful for you and all that you’ve done for me. You’ve made my life much easier and your presence made a good start for me since day one. Through life’s twists and turns, I always had you by my side. You have raised me with great patience and I’m glad you will be around me forever. Thanks for being my pillar of strength. Love you, honey!
21. Dear son, as you celebrate this milestone year, may the blessings of love and friendship fill your heart. May life be kind to you and may you be surrounded by happy thoughts! Happy birthday!
22. I wish you are filled with love and joy on this special day. You have been a great son since the day I brought you into the world. I want you to be happy always. Have a great birthday ahead!
23. Happy Birthday to my son! I can never forget the day you were born. You filled our lives with happiness and joy. Although you were a naughty boy when you were young, time has changed you into a responsible, loving and trustworthy adult son. I am so excited to see you today, just like I was so many years ago. Thank you for the sacrifices you have made to keep our family together. I love you and wish you an awesome birthday!
24. Happy Birthday son! Being a single mom is never an easy task, but you made it for me. You brought joy in my life and gave me unconditional love. Thanks for everything you have done. Love you son!
25. Have a great birthday, son! I know you are a grown up person now and tough responsibilities come with being mature. I am here to support you all the time so you don’t need to fear anything.
26. You were like a son to me, very close to my heart. And today you have become a man. A wonderful man, whom I am proud to call son! I wish you many happy returns of the day.
27. Hi! I want you to know that today is a special day for me because you are sharing it with me. I love you so much and appreciate all the sacrifices you have made for me. Thank you for being my friend, brother, and even a father-figure. Good luck with your new job!
28. We always knew you were a special child, but today that has been proved beyond doubt. You are all grown up and ready to make your own way in life. being a parent is very hard work, but well worth it. I could not be prouder of my son than I am at this moment, and I hope was not last time I saw you for we will have lots more occasions like this to celebrate.
29. I can say from my heart that I am proud to be your mother. You always find a way to surprise me with your innovative ideas and strong determination. I have no doubt in my mind that you are going to achieve whatever you set out to do. I am wishing you all the best for this new year and so much more.
30. Wishing my handsome son, a very happy birthday. I am so proud of you and everything that you have achieved in life. You are the best son a mother can ask for.
31. Dear Son, may your birthday be filled with warmth and love! You always came through whenever I was in trouble. Here is a small token of my appreciation. 
32. Here’s wishing you a happy birthday! May this day bring everything that you want and spend the day in good health. I love you so very much my dearest son!
33. Happy birthday to the most wonderful son in the world. You are a friend and partner in crime. I have never known what it is like to have a soul mate from birth, until you came along. I love you, my son! My wish for you on this special day is that your every dream comes true.
34. Dear son, I came to know about your latest victory. I am very glad; you have achieved so much of success in such a short period of time. The only wish for you today is to become more responsible. Don’t ever compromise on dedication and hard work. And last but not the least, take care of your health, because it is our ultimate wealth. I wish you a Happy Birthday and many more!
35. Every time I look at you, I am reminded of how my life was when you were born. You are a reflection of me and the best gift ever. Have a great birthday, son!
36. Today marks a very special day and here, I want you to know that I am very proud to have raised someone so amazing. I am delighted to call you my son, as you have always been such an inspiration for me.
37. Son, you have always been an inspiration to me. I see so much of me in you that I am always tempted to check the mirror if we are not related! It’s your time now for you to shine! Have a fantastic birthday!
38. I’m glad you became a man who knows what life is about. We have so many more memories to make together. May your dreams come true in this new year. I wish you all the best in everything you do.

Also See: Birthday Wishes For Elder Son From Father