Is Catelyn a boy or girl name?

Catelyn is a girl’s name. Of the 2,294 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Name Legacy

Catelyn

Recorded 1985–2024 · United States

Catelyn was most popular in 2006, when 108 American babies were given the name — ranking #3,272 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 2,294 people named Catelyn.

Catelyn over time

Births per year. The dot marks Catelyn’s peak in 2006. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Catelyn a boy’s or a girl’s name?

Across the whole record Catelyn is a girl’s name — 100.0% of the 2,294 Americans given it were girls and 0.0% were boys. In births since 2016 it is 100% girls and 0% boys.

Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.

Names that peaked alongside Catelyn

Where Catelyn is most concentrated

How much more common the name is in each state than across the country as a whole.

Explore further

See Catelyn on the interactive charts

Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org