Is Mills a boy or girl name?

Mills is mostly a boy’s name. Of the 1,045 Americans recorded with the name since 1880, 12.1% were girls and 87.9% were boys.

Name Legacy

Mills

Recorded 1882–2025 · United States

Mills was most popular in 2025, when 61 American babies were given the name — ranking #4,897 that year. In 2025 it ranked #4,897, with 61 births. Across 1880–2025 the Social Security Administration has recorded 1,045 people named Mills.

Mills over time

Births per year. The dot marks Mills’s peak in 2025. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Mills a boy’s or a girl’s name?

Across the whole record Mills is mostly a boy’s name — 12.1% of the 1,045 Americans given it were girls and 87.9% were boys. In births since 2016 it is 25% girls and 75% 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 Mills

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See Mills on the interactive charts

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