Is January a boy or girl name?

January is a girl’s name. Of the 2,170 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Name Legacy

January

Recorded 1951–2025 · United States

January was most popular in 1978, when 257 American babies were given the name — ranking #1,136 that year. In 2025 it ranked #17,163, with 9 births. Across 1880–2025 the Social Security Administration has recorded 2,170 people named January.

January over time

Births per year. The dot marks January’s peak in 1978. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is January a boy’s or a girl’s name?

Across the whole record January is a girl’s name — 100.0% of the 2,170 Americans given it were girls and 0.0% were boys. In births since 2016 it is 100% girls and 0% 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 January

Where January is most concentrated

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

Explore further

See January on the interactive charts

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