Obelia is a very rare girls' name that was most common in the 1910s and has all but disappeared.
Obelia is a girl name. It last appears in U.S. records in 1943. Obelia first appears in 1909 and peaked in 1918 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1943 | 5 | — | #5,181 |
| 1931 | 6 | — | #4,219 |
| 1928 | 6 | — | #4,580 |
| 1927 | 5 | — | #5,398 |
| 1925 | 6 | — | #4,819 |
| 1924 | 6 | — | #4,892 |
| 1919 | 5 | — | #5,366 |
| 1918 | 13 | — | #2,635 |
| 1917 | 6 | — | #4,461 |
| 1916 | 5 | — | #4,963 |
| 1914 | 8 | — | #2,809 |
| 1909 | 6 | — | #2,160 |