Osa
Recorded for both sexesGreatest Generation2025 rank
#10,713
up +4,138 places
2025 births
9
up +3 births
All-time births
683
1% of them in 2025
More common than
87%
of all archived spellings recorded for girls, by lifetime births for that sex
- Peak year
- 1892
- 21 births
- Best rank
- #615
- in 1881
- First recorded
- 1880
- #723 that year
- Last recorded
- 2025
- still in the data
- Average birth year
- 1917
- weighted by recorded births
- Years recorded
- 68 of 146
- with gaps
Top five years
- 189221#633Peak
- 191821#1,865
- 190618#889
- 192318#2,145
- 189117#659
Rank over time
Inverted scale — nearer the top is more popular. Unrecorded years are left blank, not drawn as zero.
Best rank #615 in 1881 · peak births 21 in 1892
Boys and girls
Births per year for each sex, on one shared scale. The girls' series is dashed.
● 11% boys■ 89% girls
87 boys · 683 girls, all time
Births by decade
Where the name's whole run sits, with the best and worst rank it held in each decade
Trajectory by decade
Where Osa has ranked, decade by decade
The band spans each decade's best and worst rank; the line follows its best.