Total babies named Berthena (all years): 54
| Year | Girls (count / rank / %) |
|---|---|
| 1953 | 8 / #4263 / 0.000% |
| 1935 | 5 / #4275 / 0.000% |
| 1934 | 5 / #4356 / 0.000% |
| 1932 | 7 / #3606 / 0.001% |
| 1930 | 5 / #4630 / 0.000% |
| 1925 | 7 / #4076 / 0.001% |
| 1920 | 6 / #4451 / 0.001% |
| 1918 | 6 / #4357 / 0.001% |
| 1916 | 5 / #4496 / 0.000% |