Letha is an established girls' name that peaked in 1918 and has since faded.
Letha is predominantly a girl name. It last appears in U.S. records in 2020. Letha was first reported in SSA data in 1880 and peaked in 1918 (473 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2020 | 5 | 5 | #16,510 | — |
| 2019 | 6 | 6 | #14,830 | — |
| 2016 | 9 | 9 | #11,398 | — |
| 2015 | 8 | 8 | #12,490 | — |
| 2014 | 9 | 9 | #11,529 | — |
| 2013 | 7 | 7 | #14,030 | — |
| 2012 | 6 | 6 | #16,070 | — |
| 2011 | 6 | 6 | #15,949 | — |
| 2009 | 5 | 5 | #18,974 | — |
| 2007 | 11 | 11 | #10,536 | — |
| 2004 | 8 | 8 | #12,283 | — |
| 2002 | 8 | 8 | #11,723 | — |
| 2001 | 8 | 8 | #11,591 | — |
| 2000 | 6 | 6 | #14,210 | — |
| 1999 | 14 | 14 | #7,064 | — |
| 1997 | 8 | — | #10,373 | — |
| 1996 | 17 | — | #5,674 | — |
| 1995 | 11 | — | #7,837 | — |
| 1994 | 12 | — | #7,388 | — |
| 1993 | 13 | — | #6,875 | — |
| 1992 | 23 | — | #4,466 | — |
| 1991 | 16 | — | #5,825 | — |
| 1990 | 12 | — | #7,129 | — |
| 1989 | 25 | — | #3,964 | — |
| 1988 | 23 | — | #3,966 | — |
| 1987 | 32 | — | #2,998 | — |
| 1986 | 22 | — | #3,828 | — |
| 1985 | 24 | — | #3,581 | — |
| 1984 | 25 | — | #3,382 | — |
| 1983 | 27 | — | #3,108 | — |
| 1982 | 35 | — | #2,677 | — |
| 1981 | 49 | — | #2,102 | — |
| 1980 | 38 | — | #2,512 | — |
| 1979 | 49 | — | #2,070 | — |
| 1978 | 61 | — | #1,716 | — |
| 1977 | 56 | — | #1,818 | — |
| 1976 | 46 | — | #1,954 | — |
| 1975 | 46 | — | #1,948 | — |
| 1974 | 55 | — | #1,675 | — |
| 1973 | 79 | — | #1,298 | — |
| 1972 | 90 | — | #1,198 | — |
| 1971 | 95 | — | #1,200 | — |
| 1970 | 94 | — | #1,203 | — |
| 1969 | 96 | — | #1,134 | — |
| 1968 | 89 | — | #1,140 | — |
| 1967 | 131 | — | #896 | — |
| 1966 | 162 | — | #773 | — |
| 1965 | 185 | — | #732 | — |
| 1964 | 170 | — | #802 | — |
| 1963 | 158 | — | #831 | — |
| 1962 | 171 | — | #799 | — |
| 1961 | 169 | — | #806 | — |
| 1960 | 180 | — | #759 | — |
| 1959 | 202 | — | #704 | — |
| 1958 | 171 | — | #765 | — |
| 1957 | 157 | — | #809 | — |
| 1956 | 214 | — | #655 | — |
| 1955 | 172 | — | #724 | — |
| 1954 | 156 | — | #742 | — |
| 1953 | 165 | — | #712 | — |
| 1952 | 134 | — | #771 | — |
| 1951 | 132 | — | #772 | — |
| 1950 | 159 | — | #673 | — |
| 1949 | 154 | — | #672 | — |
| 1948 | 167 | — | #644 | — |
| 1947 | 205 | — | #597 | — |
| 1946 | 149 | — | #648 | — |
| 1945 | 160 | — | #580 | — |
| 1944 | 185 | — | #534 | — |
| 1943 | 170 | — | #578 | — |
| 1942 | 164 | — | #578 | — |
| 1941 | 190 | — | #503 | — |
| 1940 | 196 | — | #491 | — |
| 1939 | 194 | — | #480 | — |
| 1938 | 212 | — | #463 | — |
| 1937 | 224 | — | #439 | — |
| 1936 | 214 | — | #442 | — |
| 1935 | 222 | — | #433 | — |
| 1934 | 248 | — | #415 | — |
| 1933 | 235 | — | #418 | — |
| 1932 | 250 | — | #414 | — |
| 1931 | 249 | — | #410 | — |
| 1930 | 296 | — | #394 | — |
| 1929 | 296 | — | #391 | — |
| 1928 | 307 | — | #383 | — |
| 1927 | 327 | — | #380 | — |
| 1926 | 397 | — | #330 | — |
| 1925 | 383 | — | #344 | — |
| 1924 | 401 | — | #336 | — |
| 1923 | 406 | — | #325 | #4,603 |
| 1922 | 398 | — | #328 | — |
| 1921 | 428 | — | #316 | — |
| 1920 | 437 | — | #316 | #3,377 |
| 1919 | 450 | — | #299 | — |
| 1918 | 473 | — | #293 | — |
| 1917 | 442 | — | #293 | — |
| 1916 | 451 | — | #284 | #3,716 |
| 1915 | 452 | — | #277 | — |
| 1914 | 347 | — | #282 | — |
| 1913 | 313 | — | #262 | — |
| 1912 | 261 | — | #280 | — |
| 1911 | 225 | — | #258 | — |
| 1910 | 202 | — | #274 | — |
| 1909 | 197 | — | #260 | #1,384 |
| 1908 | 198 | — | #244 | — |
| 1907 | 181 | — | #257 | — |
| 1906 | 169 | — | #250 | — |
| 1905 | 174 | — | #240 | — |
| 1904 | 155 | — | #254 | — |
| 1903 | 165 | — | #231 | — |
| 1902 | 159 | — | #242 | — |
| 1901 | 147 | — | #239 | — |
| 1900 | 182 | — | #237 | — |
| 1899 | 129 | — | #247 | — |
| 1898 | 157 | — | #234 | — |
| 1897 | 140 | — | #238 | — |
| 1896 | 128 | — | #253 | — |
| 1895 | 117 | — | #261 | — |
| 1894 | 95 | — | #284 | — |
| 1893 | 106 | — | #260 | — |
| 1892 | 107 | — | #255 | — |
| 1891 | 82 | — | #274 | — |
| 1890 | 89 | — | #266 | — |
| 1889 | 59 | — | #320 | — |
| 1888 | 63 | — | #300 | — |
| 1887 | 45 | — | #320 | — |
| 1886 | 50 | — | #293 | — |
| 1885 | 43 | — | #308 | — |
| 1884 | 48 | — | #278 | — |
| 1883 | 29 | — | #334 | — |
| 1882 | 40 | — | #280 | — |
| 1881 | 31 | — | #284 | — |
| 1880 | 25 | — | #322 | — |