Osa

#10,107 for girls in 2025, 9 births · Last seen for boys in 2017 at #12,246
Given to girls 88.7% of the time

Showing
Show data for
Peak · girls
1881 · 9 births
Debut · girls
7 births
In top 100 · girls
never
of 146 years
Total births · girls
683
since 1880

Osa over time

girlsboys

Rank within each sex, plotted together. Click any year to open it.

#1#10#100#1,000#10,000rank188019001920194019601980200020201881peak #582, 1881peak #2,543, 1916girlsboys
Hover or use arrow keys to read values by year; click or press Enter to open that year.

Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.

Show data table
Yeargirlsboys
rankbirthsrankbirths
2025#10,1079
2024#13,4776
2023#15,1945
2022
2021#15,2515
2020
2019#15,5395
2018
2017#14,1246#12,2465
2016
2015
2014
2013
2012
2011#14,8246
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
1979
1978
1977
1976
1975
1974
1973
1972
1971
1970
1969
1968
1967
1966
1965
1964#6,7675
1963
1962
1961
1960
1959
1958
1957
1956
1955
1954
1953
1952
1951
1950#3,9628
1949
1948#5,2435
1947#4,0078
1946#3,6658
1945
1944
1943
1942
1941#4,4205
1940#4,3495
1939#2,9229
1938
1937#2,31713
1936#3,7016
1935#3,1568
1934
1933
1932
1931#3,2268
1930#2,42513#4,0015
1929#4,5705#3,2477
1928#4,7255#3,3577
1927#3,5618
1926#3,8737
1925#2,77812#4,1975
1924#4,0027
1923#2,09118
1922#2,38715
1921#2,37815#2,80410
1920#2,26316#2,9679
1919#2,64012#4,1685
1918#1,80521#3,3687
1917#2,10016#3,9815
1916#2,65811#2,54310
1915#1,88317#3,0827
1914#3,1886#3,2645
1913#2,1649
1912
1911#1,9567
1910#2,3985
1909#1,6078
1908#1,5478
1907#1,14212
1906#87218
1905
1904#88017
1903#1,02712
1902#1,07511
1901#1,06710
1900#1,05313
1899#79117
1898#1,2638
1897#98211
1896#1,04710
1895#93212
1894#74416
1893#76715
1892#61621
1891#64417
1890#79112
1889#1,0257
1888#83710
1887#9377
1886#69311
1885#1,0475
1884#7938
1883#6928
1882#6788
1881#5829
1880#6797
First appearance
1880

In the first year the SSA published name data, Osa was already there! It came in at #679, and was given to 7 baby girls.


Quietest stretch: 1905, when fewer than 5 girls a year got the name.

See more about Osa
Momentum · girls
Brand new
  • 3,370 spots since 2024 (#13,477#10,107)
  • Biggest jump: 472 spots in 1899 (#1,263#791)
  • Biggest drop: 281 spots in 1898 (#982#1,263)
Rise & fade · girls
1 yr to peak
  • Debuted 1880
  • Peaked 1881 at #582 (9 births)
  • Births halved by 1905, 24 yrs later
Top of the charts · girls
Top 1,000 for 18 yrs
  • Top 10: never
  • Top 100: never
  • Top 1,000: 18 yrs · run 1890–1895
Share of babies · girls
1 in 10,111
  • Highest: 1 in 10,111 girls born in 1892 were named Osa (0.01%)
  • Latest: 1 in 178,585 girls born in 2025 (0.00%)
  • Its best rank, #582 in 1881, was only 1 in 10,217 (0.01%) — a smaller share of a much bigger birth year
Era · girls
The 1890s
  • 20.4% of all girls named Osa (139) were born in this decade
Girls or boys?
Flipped in 1930
  • Mostly boys until 1929, mostly girls since
all girlsall boys
Show by decade
DecadeBirthsBest rankAvg rank
1880s80#582 (1881)#796
1890s139#616 (1892)#858
1900s109#872 (1906)#1,141
1910s104#1,805 (1918)#2,310
1920s108#2,091 (1923)#3,263
1930s57#2,317 (1937)#2,958
1940s31#3,665 (1946)#4,337
1950s8#3,962 (1950)#3,962
1960s5#6,767 (1964)#6,767
1970s0
1980s0
1990s0
2000s0
2010s17#14,124 (2017)#14,829
2020s25#10,107 (2025)#13,507

All figures count published births only (names given to at least 5 girls in a year). Registrations before 1937 are incomplete, so early shares and totals run low.

Osa in 1881

girls
#582
9 births · 1 in 10,217 girls

Top girls' names in 1881

  1. #1Mary6,919
  2. #2Anna2,698
  3. #3Emma2,034
  4. #4Elizabeth1,852
  5. #5Margaret1,658
  6. #6Minnie1,653
  7. #7Ida1,439
  8. #8Annie1,326
  9. #9Bertha1,324
  10. #10Alice1,308
  11. #582Osa9
More about 1881

girls

91,953 girls got a published name in 1881; 1 in 10,217 of them was named Osa, which outranked 38.0% of the 938 girls' names that year. The ten most popular names covered 24.2% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Osa
  1. #539Willa10
  2. #539Wilma10
  3. #539Zola10
  4. #582Osa9
  5. #582Amie9
  6. #582Ana9
  7. #582Angela9
  8. #623Abigail8
  9. #623Almedia8
  10. #623Althea8

Tied with 40 names at #582; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1880
Risers
  1. 431Isa#836#405
  2. 389Opal#836#447
  3. 345Natalie#836#491
  4. 304Arvilla#738#434
  5. 304Lauretta#738#434
Fallers
  1. 381Avis#449#830
  2. 365Clementine#375#740
  3. 364Eleanore#466#830
  4. 364Lonnie#466#830
  5. 319Luvenia#421#740

Among names in the top 1,000 of either year.

See the top 100 for 1881