ALL SAINTS CELEBRATED IN AUGUST Saints celebrated on the 15th of August CORMACHUS, BISHOP OF ABERDEEN Cormachus (Cormacus) was a bishop of Aberdeen in Scotland. He is remembered on August 15. (Information from Stadler 's Complete Encyclopedia of Saints, Volume 1, Augsburg, 1858, p. 671) Stadler's Complete Encyclopedia of Saints - Sources and Abbreviations