Osa: Statistics About The Baby Name Osa
| Year | Boy Rank | # Boys | % Boys | Girl Rank | # Girls | % Girls |
| 1906 | - | - | - | 889 | 18 | 0.0057% |
| 1904 | - | - | - | 901 | 17 | 0.0058% |
| 1899 | - | - | - | 812 | 17 | 0.0069% |
| 1895 | - | - | - | 972 | 12 | 0.0049% |
| 1894 | - | - | - | 774 | 16 | 0.0068% |
| 1893 | - | - | - | 787 | 15 | 0.0067% |
| 1892 | - | - | - | 634 | 21 | 0.0093% |
| 1891 | - | - | - | 659 | 17 | 0.0086% |
| 1890 | - | - | - | 816 | 12 | 0.0060% |
| 1888 | - | - | - | 878 | 10 | 0.0053% |
| 1886 | - | - | - | 723 | 11 | 0.0072% |
| 1884 | - | - | - | 836 | 8 | 0.0058% |
| 1883 | - | - | - | 744 | 8 | 0.0067% |
| 1882 | - | - | - | 721 | 8 | 0.0069% |
| 1881 | - | - | - | 615 | 9 | 0.0091% |
| 1880 | - | - | - | 723 | 7 | 0.0072% |