Is Dilyn a boy or girl name?

Dilyn is a unisex name. Of the 540 Americans recorded with the name since 1880, 42.6% were girls and 57.4% were boys. It changed hands in 2004, and has gone mainly to boys since.

Name Legacy

Dilyn

Recorded 1992–2024 · United States

Dilyn was most popular in 2003, when 46 American babies were given the name — ranking #5,388 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 540 people named Dilyn.

Dilyn over time

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

Is Dilyn a boy’s or a girl’s name?

Across the whole record Dilyn is a unisex name — 42.6% of the 540 Americans given it were girls and 57.4% were boys. It changed hands: since 2004 it has gone mainly to boys, having gone mainly to girls before that. In births since 2016 it is 91% girls and 9% 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 Dilyn

Explore further

See Dilyn on the interactive charts

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