Is Cass a boy or girl name?

Cass is mostly a boy’s name. Of the 1,993 Americans recorded with the name since 1880, 6.7% were girls and 93.3% were boys.

Name Legacy

Cass

Recorded 1881–2025 · United States

Cass was most popular in 1989, when 43 American babies were given the name — ranking #4,212 that year. In 2025 it ranked #10,631, with 19 births. Across 1880–2025 the Social Security Administration has recorded 1,993 people named Cass.

Cass over time

Births per year. The dot marks Cass’s peak in 1989. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Cass a boy’s or a girl’s name?

Across the whole record Cass is mostly a boy’s name — 6.7% of the 1,993 Americans given it were girls and 93.3% were boys. In births since 2016 it is 2% girls and 98% 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 Cass

Explore further

See Cass on the interactive charts

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