Is Karilyn a boy or girl name?

Karilyn is a girl’s name. Of the 897 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Karilyn

Recorded 1934–2021 · United States

Karilyn was most popular in 1978, when 32 American babies were given the name — ranking #4,130 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 897 people named Karilyn.

Karilyn over time

Births per year. The dot marks Karilyn’s peak in 1978. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Karilyn a boy’s or a girl’s name?

Across the whole record Karilyn is a girl’s name — 100.0% of the 897 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 Karilyn

Explore further

See Karilyn on the interactive charts

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