Total babies named Willmar (all years): 65
| Year | Boys (count / rank / %) |
|---|---|
| 1928 | 6 / #4139 / 0.001% |
| 1926 | 8 / #3375 / 0.001% |
| 1924 | 5 / #4956 / 0.000% |
| 1922 | 5 / #4953 / 0.000% |
| 1921 | 5 / #4966 / 0.000% |
| 1920 | 6 / #4273 / 0.001% |
| 1918 | 9 / #3091 / 0.001% |
| 1917 | 6 / #3969 / 0.001% |
| 1915 | 9 / #2822 / 0.001% |
| 1913 | 6 / #2809 / 0.001% |