Ilka is a very rare girls' name that was most common in the 1970s and has all but disappeared.
Ilka is a girl name. It last appears in U.S. records in 1998. Ilka was first reported in SSA data in 1955 and peaked in 1970 (19 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1998 | 6 | 6 | #13,034 |
| 1992 | 5 | — | #14,067 |
| 1991 | 7 | — | #10,688 |
| 1989 | 6 | — | #11,348 |
| 1988 | 8 | — | #8,688 |
| 1987 | 6 | — | #10,332 |
| 1985 | 5 | — | #11,279 |
| 1983 | 5 | — | #10,862 |
| 1981 | 8 | — | #7,647 |
| 1980 | 5 | — | #10,956 |
| 1979 | 10 | — | #6,365 |
| 1978 | 6 | — | #8,930 |
| 1977 | 6 | — | #8,835 |
| 1976 | 12 | — | #4,992 |
| 1975 | 10 | — | #5,682 |
| 1974 | 9 | — | #5,928 |
| 1973 | 19 | — | #3,389 |
| 1972 | 11 | — | #4,896 |
| 1971 | 9 | — | #5,700 |
| 1970 | 19 | — | #3,349 |
| 1969 | 12 | — | #4,273 |
| 1968 | 7 | — | #5,853 |
| 1967 | 12 | — | #3,925 |
| 1966 | 12 | — | #3,816 |
| 1965 | 6 | — | #6,069 |
| 1964 | 10 | — | #4,462 |
| 1963 | 7 | — | #5,529 |
| 1962 | 5 | — | #6,942 |
| 1955 | 6 | — | #5,454 |