Lash is a very rare boys' name that was most common in the 1950s and has all but disappeared.
Lash is a boy name. It last appears in U.S. records in 1983. Lash first appears in 1948 and peaked in 1954 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1983 | 5 | — | #6,858 |
| 1956 | 11 | — | #2,573 |
| 1955 | 11 | — | #2,502 |
| 1954 | 12 | — | #2,381 |
| 1953 | 11 | — | #2,462 |
| 1952 | 9 | — | #2,791 |
| 1951 | 8 | — | #2,961 |
| 1949 | 6 | — | #3,531 |
| 1948 | 5 | — | #3,963 |