Total babies named Halvor (all years): 108
| Year | Boys (count / rank / %) |
|---|---|
| 1934 | 5 / #3897 / 0.000% |
| 1933 | 6 / #3438 / 0.001% |
| 1932 | 6 / #3538 / 0.001% |
| 1930 | 5 / #4232 / 0.000% |
| 1929 | 8 / #3093 / 0.001% |
| 1927 | 10 / #2790 / 0.001% |
| 1925 | 6 / #3920 / 0.001% |
| 1924 | 8 / #3356 / 0.001% |
| 1921 | 6 / #4062 / 0.001% |
| 1919 | 7 / #3552 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1918 | 8 / #3223 / 0.001% |
| 1917 | 6 / #3726 / 0.001% |
| 1916 | 10 / #2618 / 0.001% |
| 1915 | 6 / #3579 / 0.001% |
| 1913 | 6 / #2624 / 0.001% |
| 1912 | 5 / #2691 / 0.001% |