Total babies named Hjalmar (all years): 115
| Year | Boys (count / rank / %) |
|---|---|
| 1937 | 5 / #3765 / 0.000% |
| 1932 | 5 / #4008 / 0.000% |
| 1930 | 6 / #3780 / 0.001% |
| 1927 | 5 / #4457 / 0.000% |
| 1926 | 7 / #3538 / 0.001% |
| 1925 | 5 / #4533 / 0.000% |
| 1922 | 7 / #3678 / 0.001% |
| 1921 | 7 / #3681 / 0.001% |
| 1920 | 6 / #4026 / 0.001% |
| 1919 | 5 / #4442 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1918 | 7 / #3517 / 0.001% |
| 1917 | 9 / #2835 / 0.001% |
| 1916 | 13 / #2203 / 0.001% |
| 1914 | 6 / #3069 / 0.001% |
| 1913 | 5 / #3021 / 0.001% |
| 1895 | 5 / #1162 / 0.004% |
| 1892 | 6 / #1012 / 0.005% |
| 1889 | 6 / #925 / 0.005% |