Here are 75 incredible happy 18th birthday messages, which also come with birthday card images to send to them via email or through a Facebook post.
#1 To our beautiful bouncing baby boy on his 18th birthday! Well, that’ll always be what you are to us, 18 or not – deal with it. Happy Birthday!
#2 To our beautiful gentle baby girl on her 18th birthday! Well, that’ll always be what you are to us, 18 or not- deal with it. Happy Birthday!
#3 To our son on his 18th birthday. You made it! Enjoy it while it lasts, because it only comes once in a lifetime.
#4 To our daughter on her 18th birthday…It’s a big day for you as well as for us. Go and create some wonderful memories to cherish this day for the rest of your life!
#5 So you’re 18 years old now huh? Rumor has it that all your friends get to give you 18 birthday smacks each. The memo has gone out, and you should be receiving a lot of company soon. You’re welcome and Happy Birthday!
#6 In celebration of your 18th birthday, it has been decided that it would be a great idea for us all to pitch in and get you a new car! Of course, we’re not going to, but hey, wouldn’t you agree that it would’ve been a good idea?
#7 We’re happy to have seen the day that our Grandson reached his 18th Birthday! Be wise, be smart, and find a way to enjoy yourself while doing so. Happy Birthday!
#8 Happy 18th birthday! May you face your coming days with love, strength, and courage, as you begin the process of carving out a slice of the adult life for yourself.
#9 Happy Birthday! Now that you’re 18, from this day forward, every decision you make will have a direct impact on your future, and the life that you’ll be making for yourself. Take every step wisely, and you’ll never regret it!
#10 To our beautiful daughter on her 18th birthday… You’ve come so far, and we’re both so proud! To see the young woman that you are today fills us with pride and joy, and we’re happy to have watched you grow into this beautiful person that you’ve become.
#11 You couldn’t wait to turn 10. Then it was 12, but the last biggie was 16 years old which came and went. Then the big goal was 18, and now you’ve made it! Though 21 is already in your sights, take some time to enjoy 18.
#12 18 is a wonderful age to start figuring out how to get yourself prepared for adulthood, and taking on more responsibilities. But at the same time, enjoy yourself, and follow what you love.
#13 Despite what everyone else will be telling you on your 18th birthday about reaching adulthood, you’re still a teenager for another 2 years! Don’t forget that when it’s getting late and it’s time to come home.
#14 Don’t get the wrong idea about the strange gifts that you’ll be getting for your 18th birthday, like the apartment fridge, waffle maker, and suitcases. And pay no attention to your father stretching measuring tape around our new den- I mean your bedroom…nothing to see, pay no attention…
#15 To daddy’s little princess as she reaches 18 years old, Happy Birthday! You may feel old enough to act like a Queen rather than a princess, but you’ll still have to wait another 30 years or so for that. Thus, saith the King!
#16 Many birthdays up to this point might have been business as usual, but 18’s a big deal! Happy birthday, and may it be a birthday that you’ll remember for the rest of your life!
#17 To our Granddaughter on her 18th birthday… We are so proud of you, and we’re happy to have watched you grow into the beautiful woman that you’ve become. Happy Birthday!
#18 All of the really smart 18-year olds understand that they’re not 21 yet, the not so smart ones don’t seem to understand that and get themselves into trouble. Be a smart one and enjoy your birthday!
#19 And just think, nobody ever thought you’d make it! Happy 18th birthday to our daredevil child who’s coming of age!
#20 You’re twisting the knob on the door to adulthood, but you’re not quite there yet. Now that you’re 18, just see how much you can accomplish for yourself between now and 21!
#21 You’re 18 now, and though you may not feel a day over 17, trust me, your adventure has just begun!
#22 You’re at an age that most old people only wish they could re-live again. Make this a year that you’ll one day feel the same way about.
#23 Being 18 doesn’t change your entire life in the way that you might have thought, because instead of a change, it’s the beginning of a life of opened opportunities. Choose them wisely!
#24 The world has opened itself up to you just a little bit more than it did when you turned 17. Now that you’re 18, look for opportunities that will help you, not hurt you, and build your life.
#25 Well here you are, there’s no turning back now. You’ve crossed the threshold of 18 years old, and now you’ll have to move forward into a paradigm of adulthood. Move forward ever learning, and enjoy your life.
#26 The results are in, and the decision is unanimous. You’re 18 and now have to start making lots of money to take care of your old man. Sorry, it’s just going to have to be the way of things. Happy Birthday, from Dad!
#27 As your mother, I take great pride in knowing that you’re 18 now, and am confident that you’re going to make just as wonderful of an adult from here forward as you’ve been a child throughout your childhood years. Happy Birthday!
#28 Can you believe how old we’re getting? Who would’ve thought we’d have reached 18 without a hitch? I won’t tell anyone how we did it if you don’t! Happy Birthday!
#29 We’ve been friends for a while now, and now that you’re 18, please trust me when I tell you that I’m just as interested in what you’ll be getting for your birthday as you are. Well, unless of course, all you get is clothes…your stuff is safe in that department. Happy Birthday!
#30 For my best friend on their 18th birthday…never forget all of the times we’ve shared together and all the fun that we’ve had. I look forward to creating even more great memories with you, even though you’re starting to turn into a snobby adult. Happy Birthday!
#31 We handed over the keys to the car when you turned 16, and now that you’re 18, we’d like to present you with the keys to the rest of your life. Don’t lose them because they’re the only set you’ll get! Happy Birthday!
#32 Because we’ve been such close friends for all these years, now that you’re 18, I’d like for you to know, that if you were to ever run for President, I’d have to vote for the other guy. Sorry, I know way too much. Happy Birthday!
#33 Reaching your 18th birthday is a once in a lifetime event, and as your parents, we celebrate it right alongside you. We’re proud of you, love you, and we’ll always be there should you ever need us. Happy Birthday!
#34 Enjoy your 18th birthday! Not to be a bummer, but you only have a few birthdays left that you’ll want to celebrate because, after those, you start wanting for them to not come so quickly. Enjoy your youth while you have it, and make the most out of it while you can! Happy Birthday!
#35 Good times are coming; bad times are coming. Opportunities are coming to decide upon that can change your life for the better or for the worse. Now that you’re 18, these decisions will have more weight, consequence, as well as a greater reward. Be wise in all that you set your hand to do. Happy Birthday, and welcome to the rest of your life!
#36 Good times and bad times come and go for everyone. Now that you’re celebrating your 18th birthday, have a good time, and do what you can to make it a good time for those around you as well. You’ll not regret it! Happy 18th birthday!
#37 I really wanted to come up with a clever, witty, and complicated, birthday wish that you’d treasure for the rest of your life, and I did! Unfortunately, you’re only 18 and wouldn’t get it, so I’ll have to give it to someone else. Happy Birthday!
#38 You’ve been told that the world is your oyster, and it’s true. Life will become whatever you make of it. Let’s just hope that you like oysters! Happy 18th Birthday!
#39 You’re annoying, a pain in the neck, you’re too loud and talk too much, and you’re always getting all of the attention. Being your sibling hasn’t been fun, now that you’re 18, I’m sure it’ll become even more insufferable! But I love you anyway, and want to be just like you in so many ways! Happy Birthday!
#40 Being your younger sibling, I can’t tell you how happy I am about your turning into an adult, celebrating your 18th birthday. I say this because I’ve been eyeballing your bedroom for years, and have been counting down the days until it’s all mine! Happy Birthday!
The Best Bible Verses to Include with Your Happy 18th Birthday Message
The words of a wise man’s mouth win him favor, but the lips of a fool consume him.
An intelligent heart acquires knowledge, and the ear of the wise seeks knowledge.
One who is wise is cautious and turns away from evil, but a fool is reckless and careless.
Whoever is slow to anger has great understanding, but he who has a hasty temper exalts folly.
Doing wrong is like a joke to a fool, but wisdom is pleasure to a man of understanding.
So teach us to number our days that we may get a heart of wisdom.
See to it that no one takes you captive by philosophy and empty deceit, according to human tradition, according to the elemental spirits of the world, and not according to Christ.
Wisdom is with the aged, and understanding in length of days.
1 Corinthians 3:18
Let no one deceive himself. If anyone among you thinks that he is wise in this age, let him become a fool that he may become wise.
Whoever is wise, let him attend to these things; let them consider the steadfast love of the Lord.
Who is wise and understanding among you? By his good conduct let him show his works in the meekness of wisdom.
Again Jesus spoke to them, saying, “I am the light of the world. Whoever follows me will not walk in darkness, but will have the light of life.”
Oh, the depth of the riches and wisdom and knowledge of God! How unsearchable are his judgments and how inscrutable his ways!
For I will give you a mouth and wisdom, which none of your adversaries will be able to withstand or contradict.
Know that wisdom is such to your soul; if you find it, there will be a future, and your hope will not be cut off.
The way of a fool is right in his own eyes, but a wise man listens to advice.
Call to me and I will answer you, and will tell you great and hidden things that you have not known.
Let the word of Christ dwell in you richly, teaching and admonishing one another in all wisdom, singing psalms and hymns and spiritual songs, with thankfulness in your hearts to God.
The fear of the Lord is the beginning of wisdom; all those who practice it have a good understanding. His praise endures forever!
And he said to man, “Behold, the fear of the Lord, that is wisdom, and to turn away from evil is understanding.”
Saying with a loud voice, “Worthy is the Lamb who was slain, to receive power and wealth and wisdom and might and honor and glory and blessing!”
Whoever walks with the wise becomes wise, but the companion of fools will suffer harm.
Trust in the Lord with all your heart, and do not lean on your own understanding.
But the wisdom from above is first pure, then peaceable, gentle, open to reason, full of mercy and good fruits, impartial and sincere.
If any of you lacks wisdom, let him ask God, who gives generously to all without reproach, and it will be given him.
But now that you have come to know God, or rather to be known by God, how can you turn back again to the weak and worthless elementary principles of the world, whose slaves you want to be once more?
When pride comes, then comes disgrace, but with the humble is wisdom.
Be not wise in your own eyes; fear the Lord, and turn away from evil.
Listen to advice and accept instruction, that you may gain wisdom in the future.
Who is like the wise? And who knows the interpretation of a thing? A man’s wisdom makes his face shine, and the hardness of his face is changed.
The fear of the Lord is the beginning of wisdom, and the knowledge of the Holy One is insight.
2 Timothy 1:7
For God gave us a spirit not of fear but of power and love and self-control.
The fear of the Lord is the beginning of knowledge; fools despise wisdom and instruction.
Apply your heart to instruction and your ear to words of knowledge.
For the protection of wisdom is like the protection of money, and the advantage of knowledge is that wisdom preserves the life of him who has it.
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Keith Miller has over 25 years experience as a CEO and serial entrepreneur. As an entreprenuer, he has founded several multi-million dollar companies. As a writer, Keith's work has been mentioned in CIO Magazine, Workable, BizTech, and The Charlotte Observer. If you have any questions about the content of this blog post, then please send our content editing team a message here.