Is Eustace a boy or girl name?

Eustace is a boy’s name. Of the 705 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Eustace

Recorded 1882–2024 · United States

Eustace was most popular in 1921, when 29 American babies were given the name — ranking #2,783 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 705 people named Eustace.

Eustace over time

Births per year. The dot marks Eustace’s peak in 1921. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Eustace a boy’s or a girl’s name?

Across the whole record Eustace is a boy’s name — 0.0% of the 705 Americans given it were girls and 100.0% were boys. In births since 2016 it is 0% girls and 100% 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 Eustace

Explore further

See Eustace on the interactive charts

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