Total babies named Ilka (all years): 249
| Year | Girls (count / rank / %) |
|---|---|
| 1998 | 6 / #13032 / 0.000% |
| 1992 | 5 / #14066 / 0.000% |
| 1991 | 7 / #10688 / 0.000% |
| 1989 | 6 / #11345 / 0.000% |
| 1988 | 8 / #8688 / 0.000% |
| 1987 | 6 / #10331 / 0.000% |
| 1985 | 5 / #11279 / 0.000% |
| 1983 | 5 / #10861 / 0.000% |
| 1981 | 8 / #7647 / 0.000% |
| 1980 | 5 / #10958 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1979 | 10 / #6364 / 0.001% |
| 1978 | 6 / #8930 / 0.000% |
| 1977 | 6 / #8834 / 0.000% |
| 1976 | 12 / #4994 / 0.001% |
| 1975 | 10 / #5681 / 0.001% |
| 1974 | 9 / #5930 / 0.001% |
| 1973 | 19 / #3389 / 0.001% |
| 1972 | 11 / #4895 / 0.001% |
| 1971 | 9 / #5700 / 0.001% |
| 1970 | 19 / #3348 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1969 | 12 / #4273 / 0.001% |
| 1968 | 7 / #5852 / 0.000% |
| 1967 | 12 / #3924 / 0.001% |
| 1966 | 12 / #3816 / 0.001% |
| 1965 | 6 / #6069 / 0.000% |
| 1964 | 10 / #4459 / 0.001% |
| 1963 | 7 / #5528 / 0.000% |
| 1962 | 5 / #6942 / 0.000% |
| 1955 | 6 / #5454 / 0.000% |