Is Mitsuko a boy or girl name?

Mitsuko is a girl’s name. Of the 565 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Mitsuko

Recorded 1911–1981 · United States

Mitsuko was most popular in 1919, when 48 American babies were given the name — ranking #1,946 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 565 people named Mitsuko.

Mitsuko over time

Births per year. The dot marks Mitsuko’s peak in 1919. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Mitsuko a boy’s or a girl’s name?

Across the whole record Mitsuko is a girl’s name — 100.0% of the 565 Americans given it were girls and 0.0% 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 Mitsuko

Where Mitsuko is most concentrated

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

Explore further

See Mitsuko on the interactive charts

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