Total babies named Idus (all years): 165
| Year | Boys (count / rank / %) |
|---|---|
| 1955 | 6 / #3681 / 0.000% |
| 1947 | 5 / #3979 / 0.000% |
| 1944 | 5 / #3645 / 0.000% |
| 1939 | 5 / #3711 / 0.000% |
| 1937 | 5 / #3775 / 0.000% |
| 1931 | 5 / #4030 / 0.000% |
| 1930 | 7 / #3435 / 0.001% |
| 1928 | 8 / #3218 / 0.001% |
| 1927 | 8 / #3287 / 0.001% |
| 1926 | 6 / #3935 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1925 | 8 / #3264 / 0.001% |
| 1923 | 8 / #3302 / 0.001% |
| 1922 | 11 / #2704 / 0.001% |
| 1921 | 8 / #3343 / 0.001% |
| 1920 | 11 / #2671 / 0.001% |
| 1919 | 10 / #2773 / 0.001% |
| 1918 | 10 / #2777 / 0.001% |
| 1917 | 5 / #4257 / 0.001% |
| 1916 | 12 / #2328 / 0.001% |
| 1915 | 6 / #3608 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1914 | 6 / #3076 / 0.001% |
| 1912 | 5 / #2710 / 0.001% |
| 1905 | 5 / #1323 / 0.004% |