Total babies named Ondra (all years): 120
| Year | Boys (count / rank / %) |
|---|---|
| 2006 | 5 / #13478 / 0.000% |
| 1990 | 5 / #9110 / 0.000% |
| 1978 | 6 / #5575 / 0.000% |
| 1975 | 6 / #5275 / 0.000% |
| 1974 | 5 / #5777 / 0.000% |
| 1970 | 6 / #4584 / 0.000% |
| 1969 | — |
| 1967 | 8 / #3167 / 0.000% |
| 1966 | 8 / #3171 / 0.000% |
| 1964 | 7 / #3520 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1963 | 13 / #2378 / 0.001% |
| 1961 | 5 / #4487 / 0.000% |
| 1959 | — |
| 1958 | 7 / #3486 / 0.000% |
| 1957 | 6 / #3866 / 0.000% |
| 1956 | 5 / #4318 / 0.000% |
| 1942 | — |