Is Ky a boy or girl name?

Ky is mostly a boy’s name. Of the 1,659 Americans recorded with the name since 1880, 9.3% were girls and 90.7% were boys.

Name Legacy

Ky

Recorded 1950–2025 · United States

Ky was most popular in 1990, when 48 American babies were given the name — ranking #4,053 that year. In 2025 it ranked #7,732, with 31 births. Across 1880–2025 the Social Security Administration has recorded 1,659 people named Ky.

Ky over time

Births per year. The dot marks Ky’s peak in 1990. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Ky a boy’s or a girl’s name?

Across the whole record Ky is mostly a boy’s name — 9.3% of the 1,659 Americans given it were girls and 90.7% were boys. In births since 2016 it is 11% girls and 89% 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 Ky

Where Ky is most concentrated

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

Explore further

See Ky on the interactive charts

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