Is Su a boy or girl name?

Su is a girl’s name. Of the 733 Americans recorded with the name since 1880, 95.5% were girls and 4.5% were boys.

Su

Recorded 1935–2025 · United States

Su was most popular in 1957, when 22 American babies were given the name — ranking #3,865 that year. In 2025 it ranked #17,163, with 9 births. Across 1880–2025 the Social Security Administration has recorded 733 people named Su.

Su over time

Births per year. The dot marks Su’s peak in 1957. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Su a boy’s or a girl’s name?

Across the whole record Su is a girl’s name — 95.5% of the 733 Americans given it were girls and 4.5% were boys. In births since 2016 it is 89% girls and 11% 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 Su

Explore further

See Su on the interactive charts

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