Casslyn

Casslyn is a girl baby name. Ranked #51,793 in the US, popular nicknames include Cas, Cay, and Casie.

Save to favorites
Girl Name #51,793 Most Popular Hidden Gem 7 Letters

A distinctive girl name with a rare, memorable quality.

Reviewed by the NamingEverything Editorial Team · Updated

Will Casslyn get teased on the playground? Free playground safety preview. Full report with state rankings, sibling pairings: $9
Share

Meaning & Origin

Casslyn is a girl name, recorded for 5 babies in US birth records.

Parents who love the name Casslyn often also consider Anaysia, Eyani, Taiyler .

Playground Safety

Kid-Friendly

How Does It Sound with Your Surname?

Similar to Casslyn

See all →

What the Casslyn report tells you

$9

Personalized to your state, siblings, and priorities. Free playground safety preview included.

Popularity in your state

Is Casslyn the #1 name in your state, or barely on the radar?

Sibling name compatibility

Enter your other kids' names. We score how well they sound together.

Downloadable PDF + nursery art Everything in one printable report. Frame the name art.
Start with a free preview

Playground safety check is free. Full report is $9.

What kind of baby name person are you? 3 minutes to find names that fit your style.
Take the Quiz

Historical Record

Casslyn first appeared in US Social Security records in 2010.

Over 5 babies have been named Casslyn in the United States since SSA records began.

Today, Casslyn is a hidden gem — rare but distinctive , currently ranked #51,793 for girl names in the US .

Popularity Over Time

#51,793
Current Rank
Hidden Gem Based on SSA data 1880–present

Quick Facts

Gender
Girl
Popularity Rank
#51,793
Total SSA Count
5

Alternative Spellings

Nicknames

Cas Cay Casie Cassie

Middle Name Ideas

Suggested pairings based on syllable flow and style

Sibling Match Premium

Check how Casslyn fits with existing sibling names — style, sound, and origin.

Up to 3 sibling names, comma-separated.

Enter sibling names above to see compatibility.

Love Casslyn? Get 10 similar names.

Same origin, style, and feel — delivered to your inbox instantly.

A few emails about Casslyn, then only updates you'd actually want.

Compare Casslyn with...

Can't decide?

Start a tournament bracket with Casslyn and other names you're considering.

Start a Tournament

Like this name?

Check how Casslyn sounds with your surname and test for potential nicknames.

Analyze This Name
Browse more girl names →

Explore More Generators

Names You Might Also Like

View all →
Casslyn name card preview

Save Your Name Card

Download a shareable image with Casslyn's meaning, origin, and popularity. Ready for Instagram, Pinterest, or texting to your partner.

Frequently Asked Questions About Casslyn

Is Casslyn a boy or girl name?
Casslyn is primarily used as a girl name.
How popular is the name Casslyn?
Casslyn is currently ranked #51793 in popularity for girl names in the United States.
What are common nicknames for Casslyn?
Common nicknames for Casslyn include Cas, Cay, Casie, and Cassie.
Is Casslyn a common or rare name?
Casslyn is an uncommon name, ranked #51793 in the US. Its rarity gives it a distinctive, memorable quality.
What girl names are similar to Casslyn?
Casslyn pairs well with Anaysia, Eyani, Taiyler, Nieja in style and sound.
Are there other spellings for Casslyn?
Related spellings include Cassidy, Cassandra, Cassie, Cassandr.

About the Name Casslyn

Casslyn is a girl name .

Casslyn is currently ranked #51,793 in popularity for girl names in the United States.

Common nicknames for Casslyn include Cas, Cay, Casie, and Cassie. These shorter forms provide casual alternatives while keeping the elegance of the full name.

Alternative spellings of Casslyn include Cassidy, Cassandra, Cassie, Cassandr, Cassia . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.

Keep Exploring

Sources

Browse Names Like Casslyn

Trending Baby Names

Still deciding?

Try Name Swiper — swipe right on names you love.

Tinder-style for baby names. Build a shortlist fast, then share it with your partner.

Start Swiping →