St. Tiburtius - Notes that since 1969, in the Catholic Church, the cultus of St. Tiburtius has been confined to local calendars. - http://www.catholic.org/saints/saint.php?saint_id=2335
Sts. Tiburtius and Susanna - According to legend, Tiburtius was the godson of St. Sebastian, and was executed in 286. Feast day: 11 August. Article in the Catholic Encyclopedia. - http://www.newadvent.org/cathen/14720a.htm