[1][2][3] Ormr succeeded Egill Eyjólfsson (Bishop of Hólar 1332–41) (with Einarr Hafliðason managing the empty seat in between).
[1][4] Ormr is noted for the tempestuous character of his episcopate, which has sometimes been thought to show Icelanders' opposition to Norwegian bishops.
[1][6] In 1347, Icelandic farmers protested about his governance to the Norwegian king, Haakon VI Magnusson via the Alþingi.
[1][8][3] Ormr promoted the cult of Guðmundr Arason, arranging for the second translation of his bones in 1344.
[1][4] It was probably under Ormr's auspices that Arngrímr Brandsson composed the D-version of Guðmundar saga biskups.