Is Mitsuo a boy or girl name?

Mitsuo is a boy’s name. Of the 521 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Mitsuo

Recorded 1912–1940 · United States

Mitsuo was most popular in 1925, when 40 American babies were given the name — ranking #2,235 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 521 people named Mitsuo.

Mitsuo over time

Births per year. The dot marks Mitsuo’s peak in 1925. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Mitsuo a boy’s or a girl’s name?

Across the whole record Mitsuo is a boy’s name — 0.0% of the 521 Americans given it were girls and 100.0% were 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 Mitsuo

Where Mitsuo is most concentrated

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

Explore further

See Mitsuo on the interactive charts

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