Leary is a very rare variant of Leroy that was most common in the 1920s and has all but disappeared.
Leary is predominantly a boy name. It last appears in U.S. records in 1961. Leary first appears in 1912 and peaked in 1926 (11 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 1961 | 5 | — | — | #4,398 |
| 1960 | 6 | — | — | #3,879 |
| 1959 | 7 | — | — | #3,455 |
| 1958 | 5 | — | — | #4,269 |
| 1955 | 7 | — | — | #3,360 |
| 1950 | 5 | — | — | #3,975 |
| 1949 | 6 | — | — | #3,535 |
| 1948 | 11 | — | — | #2,389 |
| 1947 | 6 | — | — | #3,574 |
| 1946 | 8 | — | — | #2,814 |
| 1945 | 6 | — | — | #3,176 |
| 1943 | 8 | — | — | #2,855 |
| 1941 | 8 | — | — | #2,782 |
| 1940 | 8 | — | — | #2,775 |
| 1939 | 5 | — | — | #3,754 |
| 1938 | 5 | — | — | #3,809 |
| 1937 | 6 | — | — | #3,356 |
| 1936 | 10 | — | — | #2,380 |
| 1935 | 6 | — | — | #3,468 |
| 1932 | 6 | — | — | #3,593 |
| 1931 | 7 | — | — | #3,266 |
| 1930 | 5 | — | — | #4,313 |
| 1928 | 8 | — | — | #3,246 |
| 1926 | 11 | — | — | #2,658 |
| 1924 | 10 | — | #5,509 | #4,703 |
| 1923 | 8 | — | — | #3,326 |
| 1921 | 6 | — | — | #4,132 |
| 1920 | 10 | — | #5,394 | #4,670 |
| 1919 | 5 | — | — | #4,515 |
| 1912 | 6 | — | #2,809 | — |