Idus is a very rare boys' name that was most common in the 1910s and has all but disappeared.
Idus is a boy name. It last appears in U.S. records in 1955. Idus first appears in 1905 and peaked in 1916 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1955 | 6 | — | #3,681 |
| 1947 | 5 | — | #3,979 |
| 1944 | 5 | — | #3,645 |
| 1939 | 5 | — | #3,711 |
| 1937 | 5 | — | #3,775 |
| 1931 | 5 | — | #4,030 |
| 1930 | 7 | — | #3,435 |
| 1928 | 8 | — | #3,218 |
| 1927 | 8 | — | #3,287 |
| 1926 | 6 | — | #3,935 |
| 1925 | 8 | — | #3,264 |
| 1923 | 8 | — | #3,302 |
| 1922 | 11 | — | #2,704 |
| 1921 | 8 | — | #3,343 |
| 1920 | 11 | — | #2,671 |
| 1919 | 10 | — | #2,773 |
| 1918 | 10 | — | #2,777 |
| 1917 | 5 | — | #4,257 |
| 1916 | 12 | — | #2,328 |
| 1915 | 6 | — | #3,608 |
| 1914 | 6 | — | #3,076 |
| 1912 | 5 | — | #2,710 |
| 1905 | 5 | — | #1,323 |