Is Alexius a boy or girl name?

Alexius is mostly a girl’s name. Of the 1,650 Americans recorded with the name since 1880, 91.8% were girls and 8.2% were boys.

Name Legacy

Alexius

Recorded 1928–2018 · United States

Alexius was most popular in 1998, when 121 American babies were given the name — ranking #2,459 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 1,650 people named Alexius.

Alexius over time

Births per year. The dot marks Alexius’s peak in 1998. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Alexius a boy’s or a girl’s name?

Across the whole record Alexius is mostly a girl’s name — 91.8% of the 1,650 Americans given it were girls and 8.2% were boys. In births since 2016 it is 43% girls and 57% 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 Alexius

Where Alexius is most concentrated

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

Explore further

See Alexius on the interactive charts

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