erfected a treaty of friendship with the abbey and town, and gave to the abbey a betagh townland of Donoughmore and certain duties."
Some years before his death Flathbert had resigned the See of Derry in favor of Dr. Muredach O'Coffey, who, having been consecrated bishop of Ardstraw had, in 1150, transferred that See to Maghera or Rathlure, thus uniting Ardstraw and Rathlure. His accession to Derry joined the three into one, to which under Dr. O'Carolan in the next century, Innishowen was added, thus forming the modern diocese.
Dr. O'Coffey took up his residence in the abbey where, on the 10th of February, 1173, he breathed his last. Archdall in his Monasticon calls him "St. Muredach;" but the old Annalists content themselves with saying that "he was the sun of science, the precious stone and resplendent gem of knowledge, the bright star and rich treasury of learning; and as in charity so, too, was he powerful in pilgrimage and prayer." The Masters add that "a great miracle was performed on t