Is Rennie a boy or girl name?

Rennie is a unisex name. Of the 1,939 Americans recorded with the name since 1880, 48.5% were girls and 51.5% were boys. It changed hands in 1974, and has gone mainly to boys since.

Name Legacy

Rennie

Recorded 1880–2025 · United States

Rennie was most popular in 1956, when 49 American babies were given the name — ranking #2,487 that year. In 2025 it ranked #13,540, with 13 births. Across 1880–2025 the Social Security Administration has recorded 1,939 people named Rennie.

Rennie over time

Births per year. The dot marks Rennie’s peak in 1956. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Rennie a boy’s or a girl’s name?

Across the whole record Rennie is a unisex name — 48.5% of the 1,939 Americans given it were girls and 51.5% were boys. It changed hands: since 1974 it has gone mainly to boys, having gone mainly to girls before that. In births since 2016 it is 86% girls and 14% 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 Rennie

Explore further

See Rennie on the interactive charts

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