Is Declyn a boy or girl name?

Declyn is a unisex name. Of the 768 Americans recorded with the name since 1880, 40.0% were girls and 60.0% were boys. It changed hands in 2025, and has gone mainly to boys since.

Name Legacy

Declyn

Recorded 2004–2025 · United States

Declyn was most popular in 2018, when 70 American babies were given the name — ranking #4,424 that year. In 2025 it ranked #6,632, with 39 births. Across 1880–2025 the Social Security Administration has recorded 768 people named Declyn.

Declyn over time

Births per year. The dot marks Declyn’s peak in 2018. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Declyn a boy’s or a girl’s name?

Across the whole record Declyn is a unisex name — 40.0% of the 768 Americans given it were girls and 60.0% were boys. It changed hands: since 2025 it has gone mainly to boys, having gone mainly to girls before that. In births since 2016 it is 41% girls and 59% 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 Declyn

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See Declyn on the interactive charts

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