Total babies named Obelia (all years): 77
| Year | Girls (count / rank / %) |
|---|---|
| 1943 | 5 / #5182 / 0.000% |
| 1931 | 6 / #4219 / 0.001% |
| 1928 | 6 / #4580 / 0.001% |
| 1927 | 5 / #5398 / 0.000% |
| 1925 | 6 / #4819 / 0.000% |
| 1924 | 6 / #4892 / 0.000% |
| 1919 | 5 / #5366 / 0.000% |
| 1918 | 13 / #2635 / 0.001% |
| 1917 | 6 / #4461 / 0.001% |
| 1916 | 5 / #4963 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1914 | 8 / #2809 / 0.001% |
| 1909 | 6 / #2160 / 0.002% |