Halvor is a boy name. It last appeared in U.S. Social Security records in 1934. Halvor first appears in the data in 1912 and reached its peak in 1916 (10 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 1934 | 5 | #7,473 |
| 1933 | 6 | #6,569 |
| 1932 | 6 | #6,816 |
| 1930 | 5 | #7,945 |
| 1929 | 8 | #5,975 |
| 1927 | 10 | #5,448 |
| 1925 | 6 | #7,619 |
| 1924 | 8 | #6,539 |
| 1921 | 6 | #7,831 |
| 1919 | 7 | #6,833 |
| 1918 | 8 | #6,280 |
| 1917 | 6 | #7,168 |
| 1916 | 10 | #5,170 |
| 1915 | 6 | #6,848 |
| 1913 | 6 | #5,231 |
| 1912 | 5 | #5,615 |