Is Keir a boy or girl name?

Keir is mostly a boy’s name. Of the 1,117 Americans recorded with the name since 1880, 5.7% were girls and 94.3% were boys.

Name Legacy

Keir

Recorded 1963–2025 · United States

Keir was most popular in 1970, when 74 American babies were given the name — ranking #2,258 that year. In 2025 it ranked #20,040, with 7 births. Across 1880–2025 the Social Security Administration has recorded 1,117 people named Keir.

Keir over time

Births per year. The dot marks Keir’s peak in 1970. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Keir a boy’s or a girl’s name?

Across the whole record Keir is mostly a boy’s name — 5.7% of the 1,117 Americans given it were girls and 94.3% were boys. In births since 2016 it is 0% girls and 100% 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 Keir

Explore further

See Keir on the interactive charts

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