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95+ Best Birthday Email Subject Lines | Subject Line Library

Birthdays are a fun occasion, even if they remind us we're adding another year! Receiving birthday wishes can brighten someone's day. In e-commerce, sending customers a heartfelt birthday email shows appreciation, boosts loyalty, and can increase sales. Offering a special discount or incentive on their birthday encourages them to treat themselves.

Here are some great birthday email subject lines to help make your customers' birthdays memorable:

Happy birthday email subject lines

You know THE birthday song… But how do you express the same feeling with your email subject lines? These examples might hold the answer:

Cheers to you, [First Name]!

Happy Birthday, [First Name]!

Celebrate with [Brand] today

Special day, [First Name]?

It's [First Name]'s big day!

Wishing [First Name] a fabulous birthday!

Birthday joy for [First Name]

Join us in celebrating [First Name]'s birthday!

Make a wish, [First Name]!

Happy Birthday, [First Name]! Let's party!

[First Name]'s day of fun!

Sending birthday smiles to [First Name]!

Birthday cheers to [First Name]!

Today, we celebrate [First Name]!

It's [First Name]'s birthday bash!

Funny birthday email subject lines

You can never have too much laughter, especially on one's birthday! So why not use a subject line to add a touch of fun and humor to the mix? Here are some great options to choose from:

Another wrinkle in time, [First Name]!

[Brand]'s epic party - RSVP ASAP!

Age is just a number, [First Name]!

Cake emergency: [First Name]'s birthday!

Prepare for cake-induced laughter!

Time to celebrate [First Name]'s wisdom!

Party hats and cake, oh my!

Confetti, cake, and [First Name]!

Emergency: [First Name]'s cake needs you!

Cake cravings, [First Name]?

Birthday cheers, [First Name]!

It's cake o'clock for [First Name]!

Time to celebrate, [First Name]!

[Brand]'s big birthday hootenanny!

Hip hip hooray, [First Name]!

More good birthday email subject line examples

Didn’t find a subject line that fits your birthday email like a glove? We’ve got you! Here are more great birthday email subject lines:

Birthday hugs for [First Name]!

Join [Brand] in wishing [First Name] a happy birthday!

Warmest birthday wishes, [First Name]!

A [Brand] birthday surprise for [First Name]!

Happy Birthday, [First Name]! Party time!

Blow out the candles, [First Name]!

Special day for [First Name]!

Cake and confetti for [First Name]'s birthday!

Celebrating [First Name]'s year of awesomeness!

Birthday cheers and smiles for [First Name]!

A [Brand] birthday bash for [First Name]!

Wishing [First Name] a fantastic birthday!

Celebrate with [First Name] today!

Happy Birthday, [First Name]! Shine bright!

A [Brand] birthday surprise for [First Name]!

Birthday Invitation Subject Lines

Planning a birthday event or party? Use these subject lines to invite your guests:

You’re invited to [First Name]’s birthday

Save the date for [First Name]'s birthday party!

Join us for [First Name]’s special day!

Celebrate [First Name]’s birthday with us!

Birthday party alert: [First Name] is celebrating!

Be our guest at [First Name]'s birthday celebration!

Birthday Gift Email Subject Lines

Make their special day unforgettable with these exciting and enticing birthday email subject lines, designed to bring joy and anticipation to their inbox:

Unwrap Your Birthday Surprise from [Brand]!

Birthday Treats Just for You: Claim Your Gift Now!

It's Your Special Day: Enjoy a Birthday Discount!

Happy Birthday! Your Gift Awaits Inside.

Celebrate with Us: Free Birthday Gift Inside!

Blow Out the Candles and Receive Your Birthday Present!

Cheers to You: Enjoy Your Exclusive Birthday Offer!

Your Birthday Reward: Because You Deserve It!

Happy Birthday! Here's a Little Something from Us.

Special Delivery: Your Birthday Surprise Is Here!

Customer’s Birthday Email Subject Lines

Capture the magic of their special day with these fun and engaging birthday email subject lines that are sure to make your customers smile:

🎉 Happy Birthday, [First Name]! Let's Celebrate Together!

Don't Forget to Make a Wish: It's Your Birthday, [First Name]!

Join Us in Wishing [First Name] a Wonderful Birthday!

It's Party Time! Happy Birthday, [First Name]!

A Birthday Shoutout to Our Valued Customer, [First Name]!

🎂 Cake, Confetti, and Wishes for [First Name]'s Birthday!

Happy Birthday, [First Name]! Your Special Day Has Arrived!

Today Is All About You, [First Name]! Happy Birthday!

Hip Hip Hooray! It's [First Name]'s Birthday!

Raise a Glass: Toasting to [First Name]'s Birthday!

Birthday Party Email Subject Lines

Get ready to light up the dance floor and blow out the candles with these vibrant and inviting birthday party email subject lines that will make your guests excited to join the celebration:

You're Invited: Join Us for [First Name]'s Birthday!

Party Alert: Celebrate [First Name]'s Birthday with Us!

Let's Party: You're Invited to [First Name]'s Birthday!

🎈 RSVP Now: [First Name]'s Birthday Celebration!

Save the Date: [First Name]'s Birthday Party Is Here!

Get Your Party Hat On: It's [First Name]'s Birthday!

Birthday Festivities Await: Join Us for [First Name]'s Party!

Countdown to Fun: [First Name]'s Birthday Starts Soon!

All Aboard: Hop On the Birthday Party Train for [First Name]!

Cake, Games, and Fun: [First Name]'s Birthday Extravaganza!

Birthday wishes email subject lines

Shower your customers with joy and heartfelt messages using these delightful birthday wishes email subject lines, designed to make their day extra special:

🎂 Happy Birthday, [First Name]! Warm Wishes from [Brand]!

Wishing You Joy and Happiness on Your Special Day, [First Name]!

Sending Birthday Smiles Your Way, [First Name]!

Cheers to You, [First Name]! Happy Birthday from [Brand]!

Happy Birthday, [First Name]! May Your Day Be Filled with Joy!

Warmest Birthday Wishes to Our Amazing [First Name]!

🎉 Celebrate Your Day: Happy Birthday, [First Name]!

From All of Us at [Brand]: Happy Birthday, [First Name]!

Cake, Candles, and Wishes for You, [First Name]! Happy Birthday!

Shine Bright, [First Name]! Wishing You a Fantastic Birthday!

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Open Sesame: Subject lines to get your emails read

Your perfect email won't matter if it won't be opened. Want some inspiration? Check these robust subject lines, designed for maximum opens of your promotional emails.
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*Source:

https://www.sender.net/blog/email-marketing-statistics/