Total babies named Erhardt (all years): 92
| Year | Boys (count / rank / %) |
|---|---|
| 1929 | 7 / #3336 / 0.001% |
| 1928 | 6 / #3842 / 0.001% |
| 1926 | 6 / #3852 / 0.001% |
| 1925 | 5 / #4413 / 0.000% |
| 1924 | 6 / #4025 / 0.001% |
| 1921 | 9 / #3054 / 0.001% |
| 1918 | 12 / #2441 / 0.001% |
| 1917 | 6 / #3682 / 0.001% |
| 1916 | 12 / #2306 / 0.001% |
| 1915 | 7 / #3179 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1914 | 10 / #2151 / 0.002% |
| 1913 | 6 / #2585 / 0.001% |