Lavoy is a very rare boys' name that was most common in the 1930s and has all but disappeared.
Lavoy is a boy name. It last appears in U.S. records in 1979. Lavoy first appears in 1916 and peaked in 1934 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1979 | 6 | — | #5,774 |
| 1971 | 8 | — | #3,821 |
| 1967 | 6 | — | #3,794 |
| 1963 | 5 | — | #4,374 |
| 1959 | 6 | — | #3,823 |
| 1956 | 6 | — | #3,758 |
| 1953 | 7 | — | #3,285 |
| 1952 | 7 | — | #3,251 |
| 1949 | 7 | — | #3,177 |
| 1947 | 5 | — | #4,024 |
| 1943 | 6 | — | #3,408 |
| 1939 | 7 | — | #2,996 |
| 1938 | 8 | — | #2,774 |
| 1937 | 8 | — | #2,795 |
| 1935 | 10 | — | #2,468 |
| 1934 | 12 | — | #2,192 |
| 1933 | 6 | — | #3,484 |
| 1932 | 5 | — | #4,064 |
| 1931 | 10 | — | #2,569 |
| 1930 | 11 | — | #2,537 |
| 1929 | 6 | — | #3,771 |
| 1928 | 6 | — | #3,948 |
| 1927 | 10 | — | #2,818 |
| 1925 | 7 | — | #3,587 |
| 1923 | 11 | — | #2,706 |
| 1922 | 6 | — | #4,103 |
| 1920 | 5 | — | #4,665 |
| 1916 | 8 | — | #3,062 |