Is Tadashi a boy or girl name?

Tadashi is a boy’s name. Of the 676 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Tadashi

Recorded 1912–2025 · United States

Tadashi was most popular in 1922, when 35 American babies were given the name — ranking #2,454 that year. In 2025 it ranked #15,103, with 11 births. Across 1880–2025 the Social Security Administration has recorded 676 people named Tadashi.

Tadashi over time

Births per year. The dot marks Tadashi’s peak in 1922. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Tadashi a boy’s or a girl’s name?

Across the whole record Tadashi is a boy’s name — 0.0% of the 676 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 Tadashi

Where Tadashi is most concentrated

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

Explore further

See Tadashi on the interactive charts

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