Osa: Name Popularity, History & Rankings (1880

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade	Girls	Boys	Total	Per year	Change	Best rank
1880s	80	–	80	8	–	#615
1890s	139	–	139	14	+74%	#633
1900s	109	–	109	11	-22%	#889
1910s	104	39	143	14	+31%	#1,865
1920s	108	38	146	15	+2%	#2,145
1930s	57	5	62	6	-58%	#2,419
1940s	31	–	31	3	-50%	#3,902
1950s	8	–	8	1	-74%	#4,225
1960s	5	–	5	1	-38%	#7,499
1970s	–	–	–	–	–	–
1980s	–	–	–	–	–	–
1990s	–	–	–	–	–	–
2000s	–	–	–	–	–	–
2010s	17	5	22	2	–	#15,460
2020s (to 2025)	25	–	25	4	+89%	#10,713

Decade

Girls

Boys

Total

Per year

Change

Best rank

1880s

–

#615

1890s

139

–

139

+74%

#633

1900s

109

–

109

-22%

#889

1910s

104

143

+31%

#1,865

1920s

108

146

+2%

#2,145

1930s

-58%

#2,419

1940s

–

-50%

#3,902

1950s

–

-74%

#4,225

1960s

–

-38%

#7,499

1970s

–

1980s

–

1990s

–

2000s

–

2010s

–

#15,460

2020s (to 2025)

–

+89%

#10,713

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

Quick answers about Osa, drawn from the same Social Security data as the charts above.

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.

Osa

Osa popularity over time

The story of Osa

Osa year by year

Frequently asked questions

Names like Osa