Casyn

Boy name

Casyn has been given to 536 babies in the U.S. since 2000. It peaked in 2014. In 2025, about 1 in 94,893 boys was named Casyn.

Popularity over time births per year, 1880–2025

Hover or tap the chart to read any year.

Total babies

536

Peak year

2014 (46 babies)

Rank in 2025

Below top 1000

First recorded

2000

10-year trend

▼ -36%

Gender split

5% girls / 95% boys

Spellings & variants

Names one letter away from Casyn — alternate spellings parents actually use.

Caryngirl

12,182 babies since 1939

Casonboy

11,388 babies since 1973

Casenboy

6,655 babies since 1978

Carsynunisex

6,386 babies since 1992

Names with a similar vibe

Same primary gender, peaked around the same years, and roughly as common as Casyn.

Kadirboy

536 babies since 1992

Ranveerboy

536 babies since 2005

Elierboy

537 babies since 1986

Cantonboy

538 babies since 1988

Mekhaiboy

538 babies since 1998

Siddharthaboy

534 babies since 1970

Deaglanboy

534 babies since 1999

Sevastianboy

539 babies since 1988

FAQ

How popular is the name Casyn?

Casyn has been given to 536 babies in the U.S. since 2000. It ranked below the top 1000 in 2025.

When did the name Casyn peak?

Casyn peaked in 2014, when 46 babies were given the name.

Is Casyn a girl or boy name?

Casyn is primarily a boy name (95% of babies named Casyn are boys).

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