While going through Gwynn's catalogue of Irish monasteries (sorry forgot
the title) I came across the word "coarb." St. Comgall is referred to as
"ab. and coarb" . Is this an abbreviation for "co-archbishop?" It wasn't
listed in Gwynn's list of abbreviations. "Ab.", I know, is "abbot."
Butler, in his _Lives of the Saints_ only refers to him as "the Abbot of