MallowbyNames

Kerwin

KUR-win · Of uncertain origin, possibly a variant of the Irish surname Curwin or an anglicized form of Ó Ciarmhain meaning 'descendant of Ciarmhán'.

2025 rank (boys)
#12,008
Babies named in 2025
5
Peak popularity
1959
2025 frequency
1 in 341,615 boys
Usually for
Boys
Trend
Declining since 1988

Declining since 1988, #12,008 for boys today.

Popularity of Kerwin since 1913

Babies named Kerwin per year in U.S. Social Security records.

305989192019602000Most births 1959Boys
Data table (by decade)
DecadeBoys
1910s33
1920s71
1930s84
1940s113
1950s384
1960s559
1970s318
1980s332
1990s228
2000s189
2010s111
2020s48

Meaning & origin

Kerwin is a name that has never broken into the mainstream, but it carries a distinctive Irish heritage. First recorded in 1913, it saw its highest usage in the 1950s, peaking in 1959. Since 1988, its use has been on a downward trajectory, and today it is exceptionally rare, with only about 1 in 341,615 newborns receiving the name in 2025. The name's obscurity may appeal to parents seeking something genuinely uncommon with Celtic roots, without the burden of popularity.

Kerwin likely derives from the Irish surname Ó Ciarmhain, meaning 'descendant of Ciarmhán', a personal name possibly related to 'ciar' meaning 'dark' or 'black'. Alternatively, it may be an anglicized form of the Welsh name Cerwyn. The name gained some use as a given name in the early 20th century, particularly in the United States. It has never been common, with its peak popularity in 1959.

Nicknames & variants

Nicknames: Kerry, Win

Variants: Curwin, Kerwyn

Sibling names for Kerwin

Names that share Kerwin's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

K is for Kerwin, our favorite little boy.

K is for Kerwin…”

In a Mallowby alphabet book, Kerwin's letter becomes Kerwin's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Kerwin's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Kerwin mean?
The meaning of Kerwin is uncertain. It may be an Irish surname meaning 'dark' or 'black', or it could be a variant of the Welsh name Cerwyn.
How popular is the name Kerwin?
Kerwin is very rare. In 2025, it ranked 12,008th in the United States, with about 1 in every 341,615 newborns given the name.
Is Kerwin a boy's name or a girl's name?
Kerwin is almost exclusively a boy's name.