Total babies named Hartman (all years): 100
| Year | Boys (count / rank / %) |
|---|---|
| 2023 | 6 / #11324 / 0.000% |
| 2009 | 7 / #10239 / 0.000% |
| 2000 | 5 / #11011 / 0.000% |
| 1955 | 5 / #4089 / 0.000% |
| 1953 | 5 / #4039 / 0.000% |
| 1951 | 5 / #3924 / 0.000% |
| 1949 | 5 / #3919 / 0.000% |
| 1945 | 5 / #3506 / 0.000% |
| 1940 | 5 / #3663 / 0.000% |
| 1928 | 7 / #3502 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1927 | 5 / #4442 / 0.000% |
| 1925 | 6 / #3925 / 0.001% |
| 1922 | 6 / #4042 / 0.001% |
| 1919 | 10 / #2766 / 0.001% |
| 1917 | 8 / #3048 / 0.001% |
| 1916 | 10 / #2621 / 0.001% |