Is Roisin a boy or girl name?

Roisin is a girl’s name. Of the 987 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Roisin

Recorded 1966–2025 · United States

Roisin was most popular in 2025, when 64 American babies were given the name — ranking #4,741 that year. In 2025 it ranked #4,741, with 64 births. Across 1880–2025 the Social Security Administration has recorded 987 people named Roisin.

Roisin over time

Births per year. The dot marks Roisin’s peak in 2025. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Roisin a boy’s or a girl’s name?

Across the whole record Roisin is a girl’s name — 100.0% of the 987 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 Roisin

Where Roisin is most concentrated

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

Explore further

See Roisin on the interactive charts

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