Girls' name · since 1881

Jo

Since 1881, U.S. Social Security records show 179,057 babies named Jo, peaking in 1954. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#223 of 72,339
all-time among girls
#3,979 of 17,297
2025 SSA year
179,057
born since 1881
1950s
peak decade

Jo currently ranks #3979 among girls' names in America, with 179,057 babies recorded since 1881.

According to the U.S. Social Security Administration, Jo has been recorded 179,057 times among girls since 1881, currently ranked #3979 nationally and more common than 77% 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 1881 to 2025.

  • #223 of 72,339 all-time among girls
  • #3,979 of 17,297 2025 SSA year
  • 179,057 born since 1881
  • 1950s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Jo ranks #223 of 72,339 girls' names by all-time recorded births (highest first) and #3,979 of 17,297 among girls' names in 2025. 179,057 born since 1881, peaking in the 1950s.

#223 of 72,339
all-time among girls
#3,979 of 17,297
2025 SSA year
179,057
born since 1881
1950s
peak decade
0%100%Median name50%76.9%
Jo vs. every other girls name in current SSA rankings
Upper archive tier
All-time archive position

Jo's 179,057 recorded births place it above 99.69% of the 72,339 girls names in the full SSA archive.

51 jurisdictions
State-record footprint

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

How Jo compares

179,057 Top 2% higher than 98% 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

Jo's all-time total is 476x the median girls name, and Olivia still leads by a wide margin.

Metric Jo Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 179,057 376 567,345
Peak-year births 8,052 21 19,840

Jo's usage pattern, beyond the headline number

Jo splits its recorded history at 1954: 37% of all births land in the more recent half, 63% in the earlier half, leaning more toward its earlier era than today's. The single quietest year was 1881 (5 births) -- compare that against the 1954 peak of 8,052 for a sense of just how much the name's popularity has swung.

Jo popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1881–2025

Outside the top 1,000
Peak year (1954)
8,052
Annual births at peak, across 145 years of records
02,0004,0006,0008,00010,000 188119001918193619541972199020082025 36

Jo popularity over time - boys

1,854 total births recorded since 1911 (Jo as boys' name)

Unisex variant - 1,854 births
01020304050 191119261940195419681982199620122025 8

Jo by decade

1950s is the heaviest window (63,939 births, 36% of the file).

1950s was Jo's strongest decade.

63,939 babies received the name during that ten-year window, about 36% of all-time use.

Jo births by decade

Total births in each ten-year window

births

What this shows Peak: 1950s at 63,939 births (36% of all-time use).

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

How Jo 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 Jo's total volume

Jo vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%2%4%6%8% 406080100120140160 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 -94, 5.4%-112, 6.9%-140, 5.7%-146, 2.2%-146, 1.3%-146, 3.6%-63, 4.8%-146, 2.6%-146, 3.4%-87, 4.1%-146, 4.2%-146, 2.7%-146, 4.1%-137, 3.2%-146, 2.5%Jo-145, 4.5%Jo
Jo vs 15 similarly-sized girls names

Jo by state

Where Jo concentrates geographically, total births since 1881

Geographically diffuse
Top 8 states by recorded births for the name Jo
Rank State Visual share Births Share of total
#1 Texas
19,389 10.8%
#2 New York
12,229 6.8%
#3 California
9,497 5.3%
#4 Ohio
8,336 4.7%
#5 Illinois
7,819 4.4%
#6 Pennsylvania
7,267 4.1%
#7 Tennessee
6,165 3.4%
#8 North Carolina
6,152 3.4%
Texas share of Jo's total US births 10.8%
Even split

19,389 of 179,057 births nationwide. Compared to a flat distribution across 51 reporting states.

Jo appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Jo?
Since 1881, Social Security records show 179,057 babies named Jo. Across the full SSA archive it ranks #223 of 72,339 girls' names by total births. In 2025, it holds #3,979 of 17,297 among girls. Its busiest year on record was 1954, with 8,052 births.
Where does Jo sit in the SSA name archive?
According to the U.S. Social Security Administration, Jo ranks #223 of 72,339 girls' names by all-time recorded births (highest first) and #3,979 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 Jo most popular?
Jo was most popular in the 1950s decade with 63,939 total births. The single peak year was 1954.
Where is Jo most popular?
The top states for the name Jo are Texas (19,389 births), New York (12,229 births), California (9,497 births).
How long has the name Jo been used?
Jo has been recorded in Social Security data since 1881, spanning 145 years of data through 2025.
What names are similar to Jo?
Names with a similar sound or spelling include Joyce, Joan, Josephine, Joanne, and 4 more. These share a common prefix and are also used for girls.

What to do with Jo's data

  • Jo's decade-level peak was the 1950s (63,939 total births); usage has since declined to 230 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Texas records the most Jos (19,389 births) -- see the full state breakdown if geography matters to your decision. Texas names

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

Keep exploring Jo

Nearby Names Like Jo

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

Names with a similar popularity rank to Jo

Nationwide names with similar peak year or record span

Two nationwide peer axes for Jo: 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, 1881–2025 (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 Jo 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.