Osa
Every Osa since 1880 — 770 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Osa
Osa is rare for girls in the United States, ranked #10,713 in 2025 with 9 babies given the name. It is currently rising compared with a decade ago.
Since 1880, 770 American babies have been named Osa — about 89% girls and 11% boys, making it a genuinely unisex name. Its peak came in 1918, when 28 newborns received the name — the signature sound of the 1910s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Osa stood among all girls' names in any year, or use the compare tool to plot it against other names.
Osa year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 9 | #10,713 | — | — |
| 2024 | 6 | #14,851 | — | — |
| 2023 | 5 | #17,001 | — | — |
| 2022 | — | — | — | — |
| 2021 | 5 | #17,058 | — | — |
| 2020 | — | — | — | — |
| 2019 | 5 | #17,368 | — | — |
| 2018 | — | — | — | — |
| 2017 | 6 | #15,460 | 5 | #13,730 |
| 2016 | — | — | — | — |
| 2015 | — | — | — | — |
| 2014 | — | — | — | — |
| 2013 | — | — | — | — |
| 2012 | — | — | — | — |
| 2011 | 6 | #16,279 | — | — |
| 2010 | — | — | — | — |
| 2009 | — | — | — | — |
| 2008 | — | — | — | — |
| 2007 | — | — | — | — |
| 2006 | — | — | — | — |
| 2005 | — | — | — | — |
| 2004 | — | — | — | — |
| 2003 | — | — | — | — |
| 2002 | — | — | — | — |
| 2001 | — | — | — | — |
| 2000 | — | — | — | — |
| 1995 | — | — | — | — |
| 1990 | — | — | — | — |
| 1985 | — | — | — | — |
| 1980 | — | — | — | — |
| 1975 | — | — | — | — |
| 1970 | — | — | — | — |
| 1965 | — | — | — | — |
| 1960 | — | — | — | — |
| 1955 | — | — | — | — |
| 1950 | 8 | #4,225 | — | — |
| 1945 | — | — | — | — |
| 1940 | 5 | #4,870 | — | — |
| 1935 | 8 | #3,363 | — | — |
| 1930 | 13 | #2,530 | 5 | #4,408 |
| 1925 | 12 | #2,898 | 5 | #4,727 |
| 1920 | 16 | #2,340 | 9 | #3,149 |
| 1915 | 17 | #1,939 | 7 | #3,311 |
| 1910 | 5 | #2,697 | — | — |
| 1905 | — | — | — | — |
| 1900 | 13 | #1,093 | — | — |
| 1895 | 12 | #972 | — | — |
| 1890 | 12 | #816 | — | — |
| 1885 | 5 | #1,162 | — | — |
| 1880 | 7 | #723 | — | — |
Frequently asked questions
How popular is the name Osa in 2025?
Osa ranked #10,713 among girls' names in the United States in 2025, with 9 babies given the name, according to Social Security Administration data.
How many people are named Osa?
770 babies have been named Osa in the United States since 1880, based on Social Security card applications.
When was the name Osa most popular?
Osa peaked in 1918, when 28 newborns received the name.
Is Osa a boy or girl name?
Osa is used for both: about 89% of babies named Osa have been girls and 11% boys.
Is the name Osa rising or falling?
Osa is on the rise — noticeably more popular now than a decade ago.