January

January: name meaning, origin and popularity

Pronunciation (IPA): /ˈd͡ʒæn.jʊ.ə.ɹi/ · /ˈd͡ʒæn.jə.ɹi/

Meaning and origin of January

Root meaning: “(month) of Janus”

  • A female given name transferred from the month name [in turn from English].

Etymology

From Middle English Januarie, januari, re-latinised forms of Middle English Janevere, Ieneuer, from Anglo-Norman genever, from Latin Iānuārius (“(month) of Janus”), a compound of Iānus ("Janus") + -ārius (adjectival suffix), with the first element perhaps from the Proto-Indo-European root *yeh₂- (“to go”). Doublet of Gennaro.

How popular is January?

9U.S. babies in 2025
#638peak rank (1978)
2,170babies since 1880

Since 1880, 2,170 girls in the U.S. have been named January. Its highest rank for girls was #638 in 1978. In 2025, 9 babies were given the name, outside the top 1,000.

18801920196020002025257 peak/yr
U.S. births per year with this name, 1880–2025 (SSA)

Names similar to January

Names that start with the same letters, most popular first.

More English girl names

See all English names →

Sibling name ideas for January

Sister and brother names that share January's English roots and are still in the U.S. top 1,000.

January FAQ

What does the name January mean?

January traces back to a root meaning "(month) of Janus". A female given name transferred from the month name [in turn from English]. From Middle English Januarie, januari, re-latinised forms of Middle English Janevere, Ieneuer, from Anglo-Norman genever, from Latin Iānuārius (“(month) of Janus”), a compound of Iānus ("Janus") + -ārius (adjectival suffix), with the first element perhaps from the Proto-Indo-European root *yeh₂- (“to go”). Doublet of Gennaro.

What is the origin of the name January?

January is listed as a name of English origin.

How popular is the name January?

Since 1880, 2,170 girls in the U.S. have been named January. Its highest rank for girls was #638 in 1978. In 2025, 9 babies were given the name, outside the top 1,000.

Is January a boy or girl name?

January is mostly a girl name in the U.S.: 2,170 girls and 0 boys since 1880.

Popularity data: U.S. Social Security Administration baby name data, 1880–2025 (names given to 5+ babies per year). Origin and etymology text: Wiktionary, available under CC BY-SA 4.0.