Late 6th-century layman hermit who assisted Church authorities, including Saint Florido and Saint Amanzio, re-bulid Città di Castello, Italy and revitalize the faith there following the Greek-Gothic war. Following the death of Saint Amanzio, Donnino retired to spend the rest of his days as a hermit near Rubbiano. He later moved to a hermitage in modern Villa San Donino to be closer to Città di Castello.
- 9 October 610 at the Villa San Donino hermitage near Città di Castello, Umbria, Italy of natural causes
- relics enshrined in a church at Villa San Donino
- relics given canonical recognition in 1543
- relics given canonical recognition in 1791
- relics given canonical recognition in 1869
- with a small dog
- “Saint Donnino of Città di Castello“. CatholicSaints.Info. 12 October 2016. Web. 29 April 2017. <>