Is Cassidi a boy or girl name?

Cassidi is a girl’s name. Of the 863 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Cassidi

Recorded 1977–2020 · United States

Cassidi was most popular in 1999, when 51 American babies were given the name — ranking #4,520 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 863 people named Cassidi.

Cassidi over time

Births per year. The dot marks Cassidi’s peak in 1999. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Cassidi a boy’s or a girl’s name?

Across the whole record Cassidi is a girl’s name — 100.0% of the 863 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 Cassidi

Explore further

See Cassidi on the interactive charts

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