Total births
683
Unisex name · since 1880
Osa
Since 1880, U.S. Social Security records show 683 babies named Osa, peaking in 1892. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #13488
- among girls today
- 683
- born since 1880
- 1890s
- peak decade
- 24%
- more common than other girls
683 babies have been named Osa since 1880, making it today's #13488 unisex name.
Osa has 683 recorded births among girls since 1880, per the U.S. Social Security Administration, ranked #13488 as of the latest data, more common than 24% of girls, busiest in the 1890s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1880 to 2025.
- #13488 among girls today
- 683 born since 1880
- 1890s peak decade
- 24% more common than other girls
Data updated Jun 2026
The verdict
Osa is currently the #13488 unisex name in America, more common than 24% of girls - 683 born since 1880, peaking in the 1890s.
- #13488
- among girls today
- 683
- born since 1880
- 1890s
- peak decade
- 24%
- more common than other girls
Osa vs. every other girls name in current SSA rankings
#13488
of 17,726 girls in use
More common than 24% of names given to girls today.
1890s
Peak decade
20% of everyone ever named Osa was born in this single decade.
1892
Single peak year
21 babies were named Osa in 1892 - its busiest year on record.
How Osa compares
683 Top 39% higher than 61% 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
Osa's all-time total is 79% above the median girls name, and Olivia still leads by a wide margin.
| Metric | Osa | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 683 | 382 | 567,345 |
| Peak-year births | 21 | 48 | 19,840 |
Osa's usage pattern, beyond the headline number
Splitting Osa's full recorded timeline at 1916, 46% of its total births fall in the more recent half of the record versus 54% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1885, with just 5 recorded births -- worth weighing against the 1892 peak of 21 to see the full range of the name's swing in popularity.
Osa at a glance
Outside the top 1,000Peak year
1892
Current rank
#13,488
Active since
1880
Osa popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1880–2025
- Peak year (1892)
- 21
- Annual births at peak, across 146 years of records
Osa popularity over time - boys
87 total births recorded since 1914 (Osa as boys' name)
Osa by decade
Total births in each ten-year window, peak vs trough at a glance
1890s was Osa's strongest decade.
139 babies received the name during that ten-year window, about 20% of all-time use.
Osa births by decade
Total births in each ten-year window
- 1880s
1880s
80 births
- 1890s
1890s
139 births
- 1900s
1900s
109 births
- 1910s
1910s
104 births
- 1920s
1920s
108 births
- 1930s
1930s
57 births
- 1940s 31
1940s
31 births
- 1950s 8
1950s
8 births
- 1960s 5
1960s
5 births
- 2010s 17
2010s
17 births
- 2020s 25
2020s
25 births
What this shows Peak: 1890s at 139 births (20% of all-time use).
How Osa 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 Osa's total volume
Osa vs 15 similarly-sized girls names
Osa by state
Where Osa concentrates geographically, total births since 1880
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Tennessee | | 6 | 0.9% |
Tennessee share of Osa's total US births 0.9%
6 of 683 births nationwide.
Frequently Asked Questions
How popular is the name Osa? ▼
683 babies have been named Osa since 1880. It currently ranks #13488 among girls. The peak year was 1892 with 21 births.
When was Osa most popular? ▼
Osa was most popular in the 1890s decade with 139 total births. The single peak year was 1892.
Where is Osa most popular? ▼
The top states for the name Osa are Tennessee (6 births).
Is Osa a unisex name? ▼
Yes, Osa is used for both boys and girls. As a girl's name it has 683 births, and as a boy's name it has 87 births.
How long has the name Osa been used? ▼
Osa has been recorded in Social Security data since 1880, spanning 146 years of data through 2025.
What names are similar to Osa? ▼
Names with a similar sound or spelling include Osanna, Osariemen. These share a common prefix and are also used for girls.
What to do with Osa's data
- Osa's decade-level peak was the 1890s (139 total births); usage has since declined to 25 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Tennessee records the most Osas (6 births) -- see the full state breakdown if geography matters to your decision. Tennessee 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 Osa
Nearby Names Like Osa
Names with a similar sound, spelling, or feel to Osa
Compare Osa side by side: Osa vs Osanna Osa vs Osariemen
Related Names
Names with a similar popularity rank to Osa
Corine #13487
14,547 births · Peak 1920
Rella #13489
1,325 births · Peak 1921
Kitty #13486
11,657 births · Peak 1947
Claudine #13490
11,323 births · Peak 1970
Jettie #13485
3,665 births · Peak 1918
Celie #13491
519 births · Peak 1916
Dona #13484
18,857 births · Peak 1954
Rennie #13492
940 births · Peak 1922
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, 1880–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Osa: #13488 Unisex Name - 683 Births, Peak 1892." NameAlmanac. Accessed via https://namealmanac.com/name/osa. 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 Osa 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.