Saint, died a.d. 741, pope 731–741.
- Gregory IV
noun 1. died a.d. 844, pope 827–844.
- Gregory IX
noun 1. (Ugolino di SegniorUgolino of Anagni) c1143–1241, Italian ecclesiastic: pope 1227–41. noun 1. original name Ugolino of Segni. ?1148–1241, pope (1227–41). He excommunicated and waged war against Emperor Frederick II
- Gregory of nazianzus
/ˌnæzɪˈænzəs/ noun 1. Saint. ?329–89 ad, Cappadocian theologian: bishop of Caesarea (370–79). Feast days: Jan 2, 25, and 30
- Gregory of Nyssa
[nis-uh] /ˈnɪs ə/ noun 1. Saint, a.d. c330–395? Christian bishop and theologian in Asia Minor (brother of Saint Basil). /ˈnɪsə/ noun 1. Saint. ?335–394 ad, Cappadocian theologian and brother of St Basil: bishop of Nyssa. Feast day: March 9