Jones, Sir Roger, [168]

— Henry, Dean of Kilmore, successively Bishop of Clogher and of Meath, [316], [324]-[325], [339]-[341]

Jonson, Ben, [90]

Julianstown, battle, [339], [345], [347]-[349], [353], [356]

Jura island, [144]

Juxon, William, Bishop of London, afterwards Archbishop of Canterbury, [281]

Kavanagh, Donnel Spaniagh, [92], [96]-[97]

Kavanagh clan, [99], [153]-[160]

Keilagh Castle, [340], [345]

Kells, in Meath, [171]