Namesakes
Bishops of Rome and the Popes:
1 antipope
Ursinus (a.k.a. Ursicinus) 366-367 
Saints:
5 saints
Saint Ursicinus of Ravenna ?-67
Saint Ursicinus ?-347
Saint Ursicinus ?-380
Saint Ursicinus ?-585
Saint Ursicinus ?-625