The baby name Lethia appears in baby name data for the United States from 1912 to 1942. It was most popular in 1928 with 20 babies given the name.
Over the period shown, Lethia has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1912 | 5 |
| 1914 | 6 |
| 1918 | 11 |
| 1924 | 7 |
| 1928 | 20 |
| 1941 | 10 |
| 1942 | 5 |