The baby name Isidor appears in baby name data for the United States from 1911 to 1925. It was most popular in 1914 with 17 babies given the name.
Over the period shown, Isidor has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1911 | 5 |
| 1912 | 8 |
| 1913 | 9 |
| 1914 | 17 |
| 1915 | 13 |
| 1916 | 11 |
| 1917 | 9 |
| 1918 | 6 |
| 1919 | 6 |
| 1920 | 7 |
| 1925 | 6 |