Weir is a very rare boys' name that was most common in the 1920s and has all but disappeared.
Weir is a boy name. It last appears in U.S. records in 1929. Weir first appears in 1913 and peaked in 1923 (10 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1929 | 8 | — | #3,241 |
| 1923 | 10 | — | #2,935 |
| 1922 | 5 | — | #4,938 |
| 1917 | 6 | — | #3,960 |
| 1916 | 5 | — | #4,514 |
| 1914 | 6 | — | #3,249 |
| 1913 | 6 | — | #2,801 |