Gregory has been the name of sixteen Roman Catholic Popes and two Antipopes:
Pope Gregory I ("the Great"; 590–604), after whom the Gregorian chant is named
Pope Gregory II (715–731) Pope Gregory III (731–741) Pope Gregory IV (827–844) Pope Gregory V (996–999) Pope Gregory VI (1045–1046) Antipope Gregory VI Pope Gregory VII (1073–1085), after whom the Gregorian Reform is named Pope Gregory VIII (1187) Antipope Gregory VIII Pope Gregory IX (1227–1241) Pope Gregory X (1271–1276) Pope Gregory XI (1370–1378) Pope Gregory XII (1406–1415) Pope Gregory XIII (1572–1585), after whom the Gregorian calendar is named Pope Gregory XIV (1590–1591) Pope Gregory XV (1621–1623) Pope Gregory XVI (1831–1846)
See also
Clemente Domínguez y Gómez (1946–2005), Antipope Gregory XVII of the Palmarian Catholic Church Ginés Jesús Hernández (born 1959), former Antipope Gregory XVIII of the Palmarian Catholic Church Greg Pope (born 1960), British Labour Party politician Gregory (disambiguation) Saint Gregory (disambiguation) Gregorian (disambiguation)