Is Kaileen a boy or girl name?

Kaileen is a girl’s name. Of the 867 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Kaileen

Recorded 1976–2025 · United States

Kaileen was most popular in 2022, when 83 American babies were given the name — ranking #4,033 that year. In 2025 it ranked #7,425, with 33 births. Across 1880–2025 the Social Security Administration has recorded 867 people named Kaileen.

Kaileen over time

Births per year. The dot marks Kaileen’s peak in 2022. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Kaileen a boy’s or a girl’s name?

Across the whole record Kaileen is a girl’s name — 100.0% of the 867 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 Kaileen

Where Kaileen is most concentrated

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

Explore further

See Kaileen on the interactive charts

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