Maurianos 3 was bishop of Pompeioupolis (in Paphlagonia); in 787 he attended the Second Council of Nikaia (the Seventh Ecumenical Council) and was probably present at all eight sessions, from 24 September to 23 November 787: Mansi XII 994-XIII 486. His name is given as "Marianos" at XII 1094; elsewhere it is "Maurianos". In the lists of those present at the first and seventh sessions he is styled Μαυριανοῦ ἐπισκόπου Πομπηϊουπόλεως: Mansi XII 994, XIII 368. Elsewhere he is styled Μαυριανὸς ὁ θεοφιλέστατος ἐπίσκοπος Πομπηϊουπόλεως or similar: Mansi XII 1094, XIII 140, XIII 384. At the second session he spoke in support of the traditional veneration of icons as described in statements from pope Hadrian I (Hadrianos 1) and condemned iconoclasts: Mansi XII 1094. At the fourth session he subscribed to the statements read from the Fathers in support of the veneration of icons: Mansi XIII 140. At the seventh session he subscribed the statement of the faith adopted by the Council: Mansi XIII 384.

(Publishable link for this person: )