Is Merwyn a boy or girl name?

Merwyn is a boy’s name. Of the 796 Americans recorded with the name since 1880, 1.3% were girls and 98.7% were boys.

Merwyn

Recorded 1912–1971 · United States

Merwyn was most popular in 1937, when 38 American babies were given the name — ranking #2,094 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 796 people named Merwyn.

Merwyn over time

Births per year. The dot marks Merwyn’s peak in 1937. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Merwyn a boy’s or a girl’s name?

Across the whole record Merwyn is a boy’s name — 1.3% of the 796 Americans given it were girls and 98.7% were 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 Merwyn

Explore further

See Merwyn on the interactive charts

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