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.
- #4210
- among girls today
- 179,057
- born since 1881
- 1950s
- peak decade
- 76%
- more common than other girls
Jo currently ranks #4210 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 #4210 nationally and more common than 76% 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.
- #4210 among girls today
- 179,057 born since 1881
- 1950s peak decade
- 76% more common than other girls
Data updated Jun 2026
The verdict
Jo is currently the #4210 girls' name in America, more common than 76% of girls - 179,057 born since 1881, peaking in the 1950s.
- #4210
- among girls today
- 179,057
- born since 1881
- 1950s
- peak decade
- 76%
- more common than other girls
Jo vs. every other girls name in current SSA rankings
More common than 76% of names given to girls today.
36% of everyone ever named Jo was born in this single decade.
8,052 babies were named Jo in 1954 - its busiest year on record.
How Jo compares
179,057 Top 1% higher than 99% of 17,726 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 469x the median girls name, and Olivia still leads by a wide margin.
| Metric | Jo | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 179,057 | 382 | 567,345 |
| Peak-year births | 8,052 | 48 | 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 at a glance
Outside the top 1,000Peak year
Current rank
Active since
Jo popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1881–2025
- Peak year (1954)
- 8,052
- Annual births at peak, across 145 years of records
Currently ranks #4210 among girls.
179,057 total births across 145 years of SSA records. Peaked in 1954 with 8,052 births in a single year.
Jo popularity over time - boys
1,854 total births recorded since 1911 (Jo as boys' name)
Unisex use remains the minority pattern
The boys' variant of Jo accounts for 1% of total recorded use across both genders.
Jo by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1880s 69
1880s
69 births
- 1890s 140
1890s
140 births
- 1900s 311
1900s
311 births
- 1910s 1,192
1910s
1,192 births
- 1920s 6,896
1920s
6,896 births
- 1930s
1930s
28,653 births
- 1940s
1940s
48,449 births
- 1950s
1950s
63,939 births
- 1960s 20,197
1960s
20,197 births
- 1970s 5,918
1970s
5,918 births
- 1980s 1,985
1980s
1,985 births
- 1990s 609
1990s
609 births
- 2000s 223
2000s
223 births
- 2010s 246
2010s
246 births
- 2020s 230
2020s
230 births
What this shows Peak: 1950s at 63,939 births (36% of all-time use).
Jo decade highlights
- Peak decade 63,939 births
- Runner-up 48,449 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
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
Jo by state
Where Jo concentrates geographically, total births since 1881
| 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% |
19,389 of 179,057 births nationwide. Compared to a flat distribution across 51 reporting states.
Top 5 states
- Texas 10.8% of nationwide
- New York 6.8% of nationwide
- California 5.3% of nationwide
- Ohio 4.7% of nationwide
- Illinois 4.4% of nationwide
Recorded in 51 of 51 SSA jurisdictions
Texas accounts for 10.8% of all recorded births nationwide - a relatively diffuse profile for this name.
Jo appears in 51 states. Explore state details →
Frequently Asked Questions
How popular is the name Jo? ▼
When was Jo most popular? ▼
Where is Jo most popular? ▼
How long has the name Jo been used? ▼
What names are similar to Jo? ▼
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
- Weighing it against an alternative? Put two names side by side. Compare 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
Compare Jo side by side: Jo vs Joyce Jo vs Joan Jo vs Josephine
Related Names
Names with a similar popularity rank to Jo
Data Sources
Data as of June 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).
Cite this page
NameAlmanac Editorial. "Jo: #4210 Girls' Name - 179,057 Births, Peak 1954." NameAlmanac. Accessed via https://namealmanac.com/name/jo. Licensed CC BY-SA 4.0.
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 June 2026.
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NameAlmanac Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.