Rikkia is a very rare variant of Rikki that was most common in the 1990s and has all but disappeared.
Rikkia is a girl name. It last appears in U.S. records in 2002. Rikkia first appears in 1987 and peaked in 1995 (7 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2002 | 6 | 6 | #15,003 |
| 1997 | 7 | — | #11,797 |
| 1996 | 7 | — | #11,516 |
| 1995 | 7 | — | #11,482 |
| 1994 | 5 | — | #15,200 |
| 1993 | 5 | — | #15,233 |
| 1991 | 6 | — | #12,722 |
| 1990 | 5 | — | #14,690 |
| 1987 | 6 | — | #10,935 |