Isidore
Martyrological notice
The historical Roman Martyrology commemorates Isidore on 15 May. The Latin notice identifies the record as martyr. The source places the commemoration at In insula Chio.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
In insula Chio natalis beati Isidori Martyris, in cujus Basilica exstat puteus, in quem fertur fuisse injectus, de cujus aqua infirmi potati sapius sanantur.