Main
I
| Title | Name | Feast Day |
|---|---|---|
| Apostolic Witness | St. Ignatius of Antioch | 10/17 |
| The Cardinal and the Duce | Bl. Ildefonso Schuster | 8/30 |
| Abbot in Wales | St. Illtud | 11/6 |
| Bl. Indians of Mexico | ||
| Pioneer Theologian | St. Irenaeus of Lyons | 6/28 |
| Protectors of the Scriptures | SS. Agape, Chionia and Irene | 2/15 |
| Martyred in New York State | St. Isaac Jogues, SJ | 10/19 |
| Black Holiness | Bl. Isidore Bakanja, Martyr | 8/15 |
| Educator of the Middle Ages | St. Isidore of Seville | 4/4 |
| St. Isidore the Farmer | ||
| St. Ita of Killeedy | 1/15 | |
| Honorable Attorney | St. Ivo of Kermartin | 5/19 |
