Is Jr a boy or girl name?

Jr is a boy’s name. Of the 1,729 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Jr

Recorded 1915–2025 · United States

Jr was most popular in 1989, when 43 American babies were given the name — ranking #4,212 that year. In 2025 it ranked #9,082, with 24 births. Across 1880–2025 the Social Security Administration has recorded 1,729 people named Jr.

Jr over time

Births per year. The dot marks Jr’s peak in 1989. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Jr a boy’s or a girl’s name?

Across the whole record Jr is a boy’s name — 0.0% of the 1,729 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 Jr

Where Jr is most concentrated

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

Explore further

See Jr on the interactive charts

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