Lyal is a very rare boys' name that was most common in the 1930s and has all but disappeared.
Lyal is a boy name. It last appears in U.S. records in 1962. Lyal was first reported in SSA data in 1915 and peaked in 1930 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1962 | 5 | — | #4,414 |
| 1947 | 6 | — | #3,602 |
| 1940 | 8 | — | #2,785 |
| 1939 | 7 | — | #3,011 |
| 1938 | 5 | — | #3,837 |
| 1937 | 6 | — | #3,375 |
| 1931 | 6 | — | #3,617 |
| 1930 | 12 | — | #2,393 |
| 1929 | 6 | — | #3,803 |
| 1928 | 5 | — | #4,501 |
| 1927 | 6 | — | #4,025 |
| 1926 | 9 | — | #3,046 |
| 1925 | 6 | — | #4,011 |
| 1924 | 9 | — | #3,161 |
| 1922 | 5 | — | #4,706 |
| 1921 | 10 | — | #2,910 |
| 1920 | 8 | — | #3,385 |
| 1919 | 10 | — | #2,795 |
| 1917 | 8 | — | #3,095 |
| 1915 | 8 | — | #2,969 |