Is Ki a boy or girl name?

Ki is a unisex name. Of the 535 Americans recorded with the name since 1880, 20.4% were girls and 79.6% were boys.

Ki

Recorded 1946–2023 · United States

Ki was most popular in 2005, when 23 American babies were given the name — ranking #9,077 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 535 people named Ki.

Ki over time

Births per year. The dot marks Ki’s peak in 2005. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Ki a boy’s or a girl’s name?

Across the whole record Ki is a unisex name — 20.4% of the 535 Americans given it were girls and 79.6% were boys. In births since 2016 it is 15% girls and 85% 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 Ki

Explore further

See Ki on the interactive charts

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