Ricka is a very rare variant of Rikki that was most common in the 1950s and has all but disappeared.
Ricka is a girl name. It last appears in U.S. records in 1991. Ricka first appears in 1899 and peaked in 1951 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1991 | 8 | — | #10,026 |
| 1985 | 5 | — | #12,016 |
| 1980 | 5 | — | #11,698 |
| 1978 | 5 | — | #11,026 |
| 1966 | 5 | — | #7,371 |
| 1958 | 11 | — | #3,883 |
| 1957 | 8 | — | #4,825 |
| 1956 | 7 | — | #5,221 |
| 1953 | 6 | — | #5,541 |
| 1952 | 5 | — | #6,235 |
| 1951 | 12 | — | #3,249 |
| 1950 | 7 | — | #4,649 |
| 1899 | 5 | — | #1,795 |