Is Cassiel a boy or girl name?

Cassiel is mostly a boy’s name. Of the 543 Americans recorded with the name since 1880, 12.7% were girls and 87.3% were boys.

Name Legacy

Cassiel

Recorded 1999–2025 · United States

Cassiel was most popular in 2025, when 54 American babies were given the name — ranking #5,336 that year. In 2025 it ranked #5,336, with 54 births. Across 1880–2025 the Social Security Administration has recorded 543 people named Cassiel.

Cassiel over time

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

Is Cassiel a boy’s or a girl’s name?

Across the whole record Cassiel is mostly a boy’s name — 12.7% of the 543 Americans given it were girls and 87.3% were boys. In births since 2016 it is 10% girls and 90% 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 Cassiel

Explore further

See Cassiel on the interactive charts

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