Total babies named Tiwana (all years): 463
| Year | Girls (count / rank / %) |
|---|---|
| 1995 | 6 / #13282 / 0.000% |
| 1993 | 5 / #15640 / 0.000% |
| 1990 | 8 / #10130 / 0.000% |
| 1989 | 6 / #12268 / 0.000% |
| 1988 | 5 / #13756 / 0.000% |
| 1985 | 8 / #8277 / 0.000% |
| 1984 | 12 / #5876 / 0.001% |
| 1983 | 6 / #10195 / 0.000% |
| 1982 | 13 / #5516 / 0.001% |
| 1981 | 21 / #3848 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1980 | 18 / #4316 / 0.001% |
| 1979 | 21 / #3766 / 0.001% |
| 1978 | 21 / #3626 / 0.001% |
| 1977 | 16 / #4416 / 0.001% |
| 1976 | 29 / #2723 / 0.002% |
| 1975 | 29 / #2675 / 0.002% |
| 1974 | 33 / #2388 / 0.002% |
| 1973 | 41 / #2014 / 0.003% |
| 1972 | 27 / #2675 / 0.002% |
| 1971 | 30 / #2539 / 0.002% |
| Year | Girls (count / rank / %) |
|---|---|
| 1970 | 16 / #3858 / 0.001% |
| 1969 | 15 / #3761 / 0.001% |
| 1968 | 12 / #4205 / 0.001% |
| 1967 | 17 / #3198 / 0.001% |
| 1966 | 9 / #4835 / 0.001% |
| 1965 | 11 / #4187 / 0.001% |
| 1964 | 12 / #4078 / 0.001% |
| 1962 | 5 / #7500 / 0.000% |
| 1961 | 5 / #7456 / 0.000% |
| 1959 | 6 / #6182 / 0.000% |