Unisex name · since 1911

Jan

Jan has 54,531 recorded births since 1911 in federal Social Security data, most heavily in 1956 -- full year-by-year trend, decade aggregates, and state rankings follow.

#554 of 72,339
all-time among girls
#15,030 of 17,297
2025 SSA year
54,531
born since 1911
1950s
peak decade

Jan currently ranks #15030 among unisex names in America, with 54,531 babies recorded since 1911.

According to the U.S. Social Security Administration, Jan has been recorded 54,531 times among girls since 1911, currently ranked #15030 nationally and more common than 13% of girls, with its heaviest use in the 1950s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1911 to 2025.

  • #554 of 72,339 all-time among girls
  • #15,030 of 17,297 2025 SSA year
  • 54,531 born since 1911
  • 1950s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Jan ranks #554 of 72,339 girls' names by all-time recorded births (highest first) and #15,030 of 17,297 among girls' names in 2025. 54,531 born since 1911, peaking in the 1950s.

#554 of 72,339
all-time among girls
#15,030 of 17,297
2025 SSA year
54,531
born since 1911
1950s
peak decade
0%100%Median name50%13.1%
Jan vs. every other girls name in current SSA rankings
Upper archive tier
All-time archive position

Jan's 54,531 recorded births place it above 99.23% of the 72,339 girls names in the full SSA archive.

51 jurisdictions
State-record footprint

51 jurisdictions carry state-level records, led by California.

How Jan compares

54,531 Top 4% higher than 96% of 17,297 names currently given to girls

Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Jan's all-time total is 145x the median girls name, and Olivia still leads by a wide margin.

Metric Jan Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 54,531 376 567,345
Peak-year births 3,201 21 19,840

Jan's usage pattern, beyond the headline number

Divide Jan's SSA record in two at 1965 and the more recent half accounts for 15% of all births, the earlier half the remaining 85%, consistent with a name more common in the past than in recent years. Its calmest year was 2010, with only 5 births recorded -- set against the 1956 peak of 3,201, that's the full swing in one name's fortunes.

Jan popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1911–2025

Outside the top 1,000
Peak year (1956)
3,201
Annual births at peak, across 115 years of records
01,0002,0003,0004,000 191119251939195319671981199520102025 5

Jan popularity over time - boys

22,403 total births recorded since 1902 (Jan as boys' name)

Unisex variant - 22,403 births
02004006008001,000 190219231938195319681983199820132025 47

Jan by decade

1950s is the heaviest window (26,169 births, 48% of the file).

1950s was Jan's strongest decade.

26,169 babies received the name during that ten-year window, about 48% of all-time use.

Jan births by decade

Total births in each ten-year window

births

What this shows Peak: 1950s at 26,169 births (48% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

How Jan compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Jan's total volume

Jan vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%2%4%6%8%10%12% 6080100120140160 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -146, 4.2%-146, 1.7%-146, 4.4%-146, 2.8%-146, 2.7%-126, 4%-144, 2.5%-138, 4.5%-81, 3.1%-105, 6.3%-146, 2.7%-114, 5.5%-139, 1.9%-144, 2.7%-141, 10.6%Jan-115, 5.9%Jan
Jan vs 15 similarly-sized girls names

Jan by state

Where Jan concentrates geographically, total births since 1911

Geographically diffuse
Top 8 states by recorded births for the name Jan
Rank State Visual share Births Share of total
#1 California
5,314 9.7%
#2 Texas
4,269 7.8%
#3 Illinois
2,764 5.1%
#4 New York
2,478 4.5%
#5 Michigan
2,465 4.5%
#6 Ohio
2,463 4.5%
#7 Pennsylvania
2,137 3.9%
#8 Georgia
1,835 3.4%
California share of Jan's total US births 9.7%
Even split

5,314 of 54,531 births nationwide. Compared to a flat distribution across 51 reporting states.

Jan appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Jan?
54,531 babies have been named Jan since 1911. All-time, it sits at #554 of 72,339 girls' names by recorded births. In 2025, it ranks #15,030 of 17,297 among girls. The peak year was 1956 with 3,201 births.
Where does Jan sit in the SSA name archive?
According to the U.S. Social Security Administration, Jan ranks #554 of 72,339 girls' names by all-time recorded births (highest first) and #15,030 of 17,297 among girls' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Jan most popular?
Jan was most popular in the 1950s decade with 26,169 total births. The single peak year was 1956.
Where is Jan most popular?
The top states for the name Jan are California (5,314 births), Texas (4,269 births), Illinois (2,764 births).
Is Jan a unisex name?
Yes, Jan is used for both boys and girls. As a girl's name it has 54,531 births, and as a boy's name it has 22,403 births.
How long has the name Jan been used?
Records for Jan go back to 1911, giving 115 years of history through 2025.
What names are similar to Jan?
Names with a similar sound or spelling include Janet, Janice, Jane, Janie, and 4 more. These share a common prefix and are also used for girls.

What to do with Jan's data

  • Jan's decade-level peak was the 1950s (26,169 total births); usage has since declined to 15 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Jans (5,314 births) -- see the full state breakdown if geography matters to your decision. California names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Jan

Nearby Names Like Jan

Names with a similar sound, spelling, or feel to Jan

Names with a similar popularity rank to Jan

Nationwide names with similar peak year or record span

Two nationwide peer axes for Jan: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1911–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Jan draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.