Is Dillen a boy or girl name?

Dillen is mostly a boy’s name. Of the 747 Americans recorded with the name since 1880, 7.5% were girls and 92.5% were boys.

Name Legacy

Dillen

Recorded 1991–2023 · United States

Dillen was most popular in 2003, when 59 American babies were given the name — ranking #4,538 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 747 people named Dillen.

Dillen over time

Births per year. The dot marks Dillen’s peak in 2003. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Dillen a boy’s or a girl’s name?

Across the whole record Dillen is mostly a boy’s name — 7.5% of the 747 Americans given it were girls and 92.5% 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 Dillen

Explore further

See Dillen on the interactive charts

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