Is Zac a boy or girl name?

Zac is a boy’s name. Of the 1,600 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Zac

Recorded 1957–2025 · United States

Zac was most popular in 2014, when 84 American babies were given the name — ranking #3,959 that year. In 2025 it ranked #6,835, with 37 births. Across 1880–2025 the Social Security Administration has recorded 1,600 people named Zac.

Zac over time

Births per year. The dot marks Zac’s peak in 2014. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Zac a boy’s or a girl’s name?

Across the whole record Zac is a boy’s name — 0.0% of the 1,600 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 Zac

Where Zac is most concentrated

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

Explore further

See Zac on the interactive charts

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