Oneika is a very rare girls' name that was most common in the 1970s and has all but disappeared.
Oneika is a girl name. It last appears in U.S. records in 1996. Oneika first appears in 1971 and peaked in 1974 (10 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1996 | 5 | — | #15,204 |
| 1993 | 6 | — | #12,969 |
| 1991 | 5 | — | #14,728 |
| 1984 | 7 | — | #8,854 |
| 1982 | 8 | — | #7,993 |
| 1979 | 10 | — | #6,549 |
| 1977 | 10 | — | #6,202 |
| 1976 | 7 | — | #7,875 |
| 1975 | 8 | — | #6,944 |
| 1974 | 10 | — | #5,645 |
| 1973 | 7 | — | #7,203 |
| 1972 | 6 | — | #7,942 |
| 1971 | 5 | — | #9,217 |