Total babies named Berthenia (all years): 52
| Year | Girls (count / rank / %) |
|---|---|
| 1949 | 5 / #5306 / 0.000% |
| 1948 | 6 / #4713 / 0.000% |
| 1936 | 5 / #4256 / 0.000% |
| 1929 | 7 / #3719 / 0.001% |
| 1928 | 6 / #4242 / 0.001% |
| 1925 | 5 / #5054 / 0.000% |
| 1923 | 6 / #4436 / 0.001% |
| 1920 | 7 / #4004 / 0.001% |
| 1918 | 5 / #4900 / 0.000% |