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2025 data, released 8 May 2026

January

January was the 10448th most popular name for girls in 2025, given to 9 babies. Its best year was 1978, when it ranked 638th with 257 babies. Over the last ten years it has moved down 4,535 places. More babies were named January in the 1970s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
#10,448 girls, down 4,271 places since 2020
Babies in 2025
9girls
Girls and boys
Almost always a girl’s name2021–2025
Peak year
1978257 babies
Total since 1880
2,170babies recorded

January popularity since 1880

0125250375500 1900192019401960198020002020
Girls Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.
YearRank (girls)Babies (girls)
2025#10,4489
2020#6,17719
2010#5,86523
2000#7,76113
1990#9,6078
1980#1,119122
1970#5,19410
1960#5,9696
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is January, counting every spelling?

January has no other common spelling that sounds the same.

How many kids will share the name January?

9 of the 3,606,400 babies born in the US in 2025 were named January (0.00 per 1,000 births). For a girl named January born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 930 (of 430 pupils) would have a child named January.

Chance of another January in a class of 20under 1 in 50US, born 2025

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named January?

About 2,100 people born in the US named January are alive today, with a median age of 46; half are between 34 and 49. That makes January mostly worn by adults in their thirties to fifties.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Names with a similar history

These names rose and fell in step with January: their share of US girls followed the most similar curve since 1880. If you like January, they share its era and feel.

Questions about the name January

How popular is the name January?

January was the 10448th most popular name for girls in 2025, given to 9 babies. Its best year was 1978, when it ranked 638th with 257 babies. Over the last ten years it has moved down 4,535 places. More babies were named January in the 1970s than in any other decade.

Is January a boy or girl name?

In 2021–2025, almost always a girl’s name given the name January in the US.