Is Ileen a boy or girl name?

Ileen is a girl’s name. Of the 2,152 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Ileen

Recorded 1895–2024 · United States

Ileen was most popular in 1924, when 51 American babies were given the name — ranking #1,999 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 2,152 people named Ileen.

Ileen over time

Births per year. The dot marks Ileen’s peak in 1924. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Ileen a boy’s or a girl’s name?

Across the whole record Ileen is a girl’s name — 100.0% of the 2,152 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 Ileen

Where Ileen is most concentrated

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

California 5.8×

Explore further

See Ileen on the interactive charts

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