Catholic Encyclopedia: Saints Quinctianus
Several saints named Quinctianus appear in martyrologies, but we know next to nothing about most of them.
Catholic Encyclopedia: Saints Quirinus
Discusses several saints named Quirinus: St. Quirinus of Rome; St. Quirinus the Jailer; St. Quirinus of Croatia; St. Quirinus of Tivoli; and a St. Quirinus who was said to have been martyred with his companion Nicasius and whose feast is 11 October.