Trained from his boyhood and ordained a priest by St. Adrian, St. Monan was sent to preach the gospel in the isle of May. He exterminated superstition and many other crimes and abuses and having settled the churches of that island in good order, passed in to the county of Fife and was there martyred with over 6,000 other Christians by an army of infidels who ravaged that country in 874. His relics were held in great veneration and were famous for miracles.