Is Phineas a boy or girl name?

Phineas is a boy’s name. Of the 2,803 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Name Legacy

Phineas

Recorded 1880–2025 · United States

Phineas was most popular in 2016, when 142 American babies were given the name — ranking #2,813 that year. In 2025 it ranked #3,422, with 105 births. Across 1880–2025 the Social Security Administration has recorded 2,803 people named Phineas.

Phineas over time

Births per year. The dot marks Phineas’s peak in 2016. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Phineas a boy’s or a girl’s name?

Across the whole record Phineas is a boy’s name — 0.0% of the 2,803 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 Phineas

Where Phineas is most concentrated

How much more common the name is in each state than across the country as a whole.

Explore further

See Phineas on the interactive charts

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