St. Cyriacus was a holy deacon at Rome, under the Popes Marcellinus and Marcellus. In the persecution of Diocletian, in 303, he was crowned with a glorious martyrdom in that city. With him suffered also Largua and Smaragdus, and twenty others. Their bodies were first buried near the place of their execution, on the Salarian Way, but were soon after removed to a farm of the devout Lady Lucina,...