Total babies named Idonia (all years): 118
| Year | Girls (count / rank / %) |
|---|---|
| 1942 | 9 / #3287 / 0.001% |
| 1941 | 5 / #4677 / 0.000% |
| 1935 | 6 / #3957 / 0.001% |
| 1929 | 7 / #3838 / 0.001% |
| 1928 | 6 / #4411 / 0.001% |
| 1927 | 9 / #3409 / 0.001% |
| 1925 | 7 / #4200 / 0.001% |
| 1923 | 10 / #3230 / 0.001% |
| 1922 | 5 / #5354 / 0.000% |
| 1921 | 9 / #3523 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1919 | 6 / #4495 / 0.001% |
| 1917 | 8 / #3494 / 0.001% |
| 1916 | 8 / #3391 / 0.001% |
| 1915 | 6 / #3990 / 0.001% |
| 1913 | 6 / #2996 / 0.001% |
| 1906 | 6 / #1830 / 0.002% |
| 1903 | 5 / #1919 / 0.002% |