Lether is a very rare girls' name that was most common in the 1910s and has all but disappeared.
Lether is predominantly a girl name. It last appears in U.S. records in 1949. Lether was first reported in SSA data in 1897 and peaked in 1924 (14 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 1949 | 5 | — | #5,667 | — |
| 1948 | 6 | — | #4,986 | — |
| 1940 | 6 | — | #4,130 | — |
| 1938 | 6 | — | #4,111 | — |
| 1936 | 5 | — | #4,568 | — |
| 1935 | 6 | — | #4,012 | — |
| 1934 | 7 | — | #3,650 | — |
| 1933 | 6 | — | #3,998 | — |
| 1932 | 5 | — | #4,780 | — |
| 1931 | 9 | — | #3,115 | — |
| 1930 | 6 | — | #4,313 | — |
| 1929 | 8 | — | #3,552 | — |
| 1928 | 9 | — | #3,332 | — |
| 1927 | 10 | — | #3,184 | — |
| 1926 | 8 | — | #3,754 | — |
| 1925 | 8 | — | #3,880 | — |
| 1924 | 14 | — | #2,607 | — |
| 1923 | 9 | — | #3,519 | — |
| 1922 | 6 | — | #4,751 | — |
| 1921 | 7 | — | #4,262 | — |
| 1920 | 7 | — | #4,211 | — |
| 1919 | 12 | — | #2,740 | — |
| 1918 | 10 | — | #3,147 | — |
| 1917 | 10 | — | #2,986 | — |
| 1916 | 16 | — | #2,745 | #4,256 |
| 1915 | 6 | — | #4,040 | — |
| 1913 | 6 | — | #3,031 | — |
| 1912 | 6 | — | #2,815 | — |
| 1911 | 5 | — | #2,682 | — |
| 1910 | 5 | — | #2,611 | — |
| 1907 | 6 | — | #1,953 | — |
| 1906 | 6 | — | #1,848 | — |
| 1897 | 5 | — | #1,677 | — |