November 27 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/November_27_(Eastern_Orthodox_liturgics)
Nov. 26 - Eastern Orthodox Church calendar - Nov. 28. All fixed commemorations below are ... Saint John Angeloptes, Bishop of Ravenna in Italy 430-433 (433); Saint Seachnall (Sechnall), first Bishop of Dunsauglin in Meath in Ireland and ...
Latin Saints of the Orthodox Patriarchate of Rome - Orthodox England
orthodoxengland.org.uk/stdnov.htm
... Nov 1 + c 537. A disciple of St Vedast who became Bishop of Bayeux in France . ...... Seachnall (Sechnall) Nov 27 + 457. A disciple of St Patrick. In 433 he became the first Bishop of Dunsauglin in Meath in Ireland and later served in Armagh.