Is Trajan a boy or girl name?

Trajan is a boy’s name. Of the 787 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Trajan

Recorded 1994–2024 · United States

Trajan was most popular in 1999, when 141 American babies were given the name — ranking #2,258 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 787 people named Trajan.

Trajan over time

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

Is Trajan a boy’s or a girl’s name?

Across the whole record Trajan is a boy’s name — 0.0% of the 787 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 Trajan

Explore further

See Trajan on the interactive charts

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