Cyril of Jerusalem, St., patriarch of Jerusalem, elected 351, and a Father of the Greek Church; in the Arian controversy then raging was a Semi-Arian, and was persecuted by the strict Arians; joined the Nicene party at the Council of Constantinople in 381; was an instructor in church doctrine to the common people by his catechisms (315-386). Festival, March 18.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Cyril of Alexandria, St. * Cyropædia