Brehon, originally a poet and historian, [240]; liabilities of a, [586]
Brehon Law, [107]; applied to a dispute on books, [176]; survives till the days of Duald Mac Firbis, [562]; books, account of, [583-590]; antiquity of, ch. XLII n. [3]
Brendan of Clonfert, St., the voyager, [194], [196], [229]
Brendan of Birr, St., [196], [229]
Breagh, or Bregia, or the plain of Meath, whence called, [49], [206]
Brennus, [262]
Breas the Fomorian, [284] ff.; [409]
Breogan of Brigantia, [46], [49]
Brethadh or Breithe Nimhedh, [73], [245]
Brian Boru, or Borúmha, [140]; where educated, [213]; why so named, [394]; a lost life of, [430]; his tribute, [431]; his court described by Mac Liag, [431]; his generosity to a bard, [433] ff.; his death, [437] ff.; verses ascribed to him, [441]; his statesmanship, [443]; result of his semi-usurpation, [552]