Fictional Characters from Books: 1 character
Ignatius J. Reilly   1980   A Confederacy of Dunces  
Hall-of-Famers: 1 football
(football) Art McNally (a.k.a. Ignatius)   2022  
Harry Potter Characters: 1 character
Percy Weasley (a.k.a. Ignatius)  
Notable Musicians: 1 musician
Jim Corr (a.k.a. Ignatius)   1964-  
Olympic Medalists: 1 gold
(gold) Lisette Sevens (a.k.a. Ignatius)   1984   field hockey  
Saints: 6 saints, 4 blessed
Saint Ignatius of Antioch   35-107  
Saint Ignatius of Constantinople   797-877  
Saint Ignatius of Loyola   1491-1556  
Blessed Inácio de Azevedo (a.k.a. Ignatius)   1527-1570  
Saint Ignatius Jorjes   ?-1597  
Saint Ignazio of Laconi (a.k.a. Ignatius)   1701-1781  
Saint Ignacio Delgado y Cebrian (a.k.a. Ignatius)   1761-1838  
Blessed Edmund Ignatius Rice   1762-1844  
Blessed Ignatius Maloyan   1869-1915  
Blessed Leo Ignatius Mangin   ?-1900