Total babies named Jowana (all years): 107
| Year | Girls (count / rank / %) |
|---|---|
| 1984 | 5 / #11129 / 0.000% |
| 1983 | 5 / #10986 / 0.000% |
| 1982 | 7 / #8623 / 0.000% |
| 1980 | 7 / #8534 / 0.000% |
| 1979 | 11 / #5913 / 0.001% |
| 1977 | 7 / #7886 / 0.000% |
| 1976 | 9 / #6271 / 0.001% |
| 1975 | 5 / #9677 / 0.000% |
| 1973 | 5 / #8966 / 0.000% |
| 1971 | 6 / #7782 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1970 | 8 / #6036 / 0.000% |
| 1966 | 5 / #7018 / 0.000% |
| 1965 | 7 / #5516 / 0.000% |
| 1964 | 9 / #4772 / 0.000% |
| 1961 | 6 / #6158 / 0.000% |
| 1959 | 5 / #6685 / 0.000% |