Picture: Andreas F. Borchert · CC BY-SA 4.0 · Wikimedia Commons
Dabheog
Irish saint
SaintPre-congregation
Feast: 16 December (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
400
Died
—
unknown
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
Saint Dabheog is the patron saint and a founder of a monastery on an island in Lough Derg, a lake in County Donegal, Ireland, near the town of Pettigo and shouldering the border of counties Donegal and Fermanagh. His feast day is 16 December.
Summary from Wikipedia (CC BY-SA 4.0), until this page is written up in full.
The miracles
Limited information available on this saint.
Why that counted as sanctity
Limited information available on this saint.