Annals compiled by John O'Neaghtan, [597]
Annals of Ulster, [39], [210], [227], [265], [445]; by whom composed, [470]; contents, [581]
Anglicisation, [31]
Antiphonary of Bangor, [41]
Angus of the Boyne, [48], [78]
Angus the Culdee, [130], [165], [173], [209], [217], [264-5], [268], [412] ff.
Animosus, Life of St. Brigit, [163]
Ana, mother of the gods, [53]
Anastasius, Roman Librarian, [218]
Aoife, female warrior, [299]