Gregory I the Great (a.k.a. Gregorius)
590-604
Gregory II (a.k.a. Gregorius)
715-731
Gregory III (a.k.a. Gregorius)
731-741
Gregory IV (a.k.a. Gregorius)
827-844
Gregory V (a.k.a. Gregorius)
996-999
Gregory (a.k.a. Gregorius)
1012
Gregory VI (a.k.a. Gregorius)
1045-1046
Gregory VII (a.k.a. Gregorius)
1073-1085
Gregory (a.k.a. Gregorius)
1118-1121
Gregory VIII (a.k.a. Gregorius)
1187
Gregory IX (a.k.a. Gregorius)
1227-1241
Gregory X (a.k.a. Gregorius)
1271-1276
Gregory XI (a.k.a. Gregorius)
1370-1378
Gregory XII (a.k.a. Gregorius)
1406-1415
Gregory XIII (a.k.a. Gregorius)
1572-1585
Gregory XIV (a.k.a. Gregorius)
1590-1591
Gregory XV (a.k.a. Gregorius)
1621-1623
Gregory XVI (a.k.a. Gregorius)
1831-1846
Saint Gregory the Great (a.k.a. Gregorius)
c. 540-604
Saint Gregory II (a.k.a. Gregorius)
669-731
Saint Gregory III (a.k.a. Gregorius)
?-741
Saint Gregory VII (a.k.a. Gregorius)
c. 1020-1085
Blessed Gregory X (a.k.a. Gregorius)
1210-1276