Picture: Aaro Koskinen · Attribution · Wikimedia Commons
Modomnoc
Irish bishop and saint
SaintDate unknown
Feast: 13 February (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
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unknown
Died
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unknown
Beatified
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not on record
Canonised
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not on record
Who they were
St. Modomnóc of Ossory (also Domnóc and Dominic) (died c. 550) was an Irish saint and missionary in Osraige who was a disciple of St. David of Wales and a member of the Uí Néill royal family. His feast day is February 13.
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.