Lum is a rare boys' name that was most common in the 1880s and has all but disappeared.
Lum is a boy name. It last appears in U.S. records in 1961. Lum was first reported in SSA data in 1880 and peaked in 1884 (17 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1961 | 5 | — | #4,430 |
| 1958 | 6 | — | #3,779 |
| 1955 | 5 | — | #4,189 |
| 1952 | 5 | — | #4,069 |
| 1950 | 6 | — | #3,544 |
| 1949 | 7 | — | #3,193 |
| 1947 | 11 | — | #2,454 |
| 1946 | 7 | — | #3,074 |
| 1944 | 5 | — | #3,729 |
| 1940 | 6 | — | #3,331 |
| 1939 | 6 | — | #3,345 |
| 1937 | 9 | — | #2,609 |
| 1936 | 5 | — | #3,861 |
| 1933 | 6 | — | #3,504 |
| 1932 | 11 | — | #2,408 |
| 1931 | 9 | — | #2,794 |
| 1930 | 10 | — | #2,715 |
| 1928 | 12 | — | #2,476 |
| 1927 | 8 | — | #3,332 |
| 1926 | 5 | — | #4,574 |
| 1924 | 14 | — | #2,305 |
| 1923 | 14 | — | #2,289 |
| 1922 | 11 | — | #2,736 |
| 1921 | 11 | — | #2,729 |
| 1920 | 17 | — | #2,015 |
| 1919 | 11 | — | #2,603 |
| 1918 | 13 | — | #2,343 |
| 1917 | 6 | — | #3,811 |
| 1915 | 8 | — | #2,967 |
| 1914 | 6 | — | #3,121 |
| 1913 | 12 | — | #1,637 |
| 1909 | 11 | — | #932 |
| 1906 | 6 | — | #1,198 |
| 1905 | 7 | — | #1,047 |
| 1904 | 6 | — | #1,152 |
| 1902 | 5 | — | #1,243 |
| 1901 | 7 | — | #907 |
| 1900 | 8 | — | #1,013 |
| 1899 | 6 | — | #1,003 |
| 1898 | 6 | — | #1,078 |
| 1897 | 7 | — | #901 |
| 1896 | 8 | — | #869 |
| 1895 | 7 | — | #944 |
| 1894 | 10 | — | #707 |
| 1892 | 11 | — | #667 |
| 1891 | 7 | — | #814 |
| 1890 | 9 | — | #712 |
| 1889 | 7 | — | #855 |
| 1888 | 15 | — | #516 |
| 1887 | 8 | — | #719 |
| 1886 | 8 | — | #733 |
| 1885 | 7 | — | #811 |
| 1884 | 17 | — | #460 |
| 1883 | 14 | — | #491 |
| 1882 | 12 | — | #564 |
| 1881 | 7 | — | #751 |
| 1880 | 10 | — | #623 |