From: The Annuals of The Four Masters Vol 3, p 261 1231 AD An army was led by Donnell O'Donnell, Lord of Tirconnell and Aengus Mac Gilla-Finnen, with the forces of Fermanagh, against O'Reilly of Clan Cathal. Note (d); Mac Gilla-Finnen, now made MacGillinnion. The name is still very common in the west of county Fermanagh; but many have changed it to Leonard. This family is of the Kinel-Connell race, and descend from Flaherty Mac Loingsigh, who was Monarch of Ireland from 727 to 734 AD. For the pedigree of this family, see "Battle of Magh Rath", printed for the Irish Archaelogical Society in 1842, page 335. vol 3, p 271 1234 AD Aengus Mac Gillafinnen, Lord of Lough ERne, was killed by Donnel More in revenge of the death of Egneghan. vol 3, p 443 1285 AD Henry Mac Gillafinnen died. vol 3 p 479 1303 AD Niall Mac Gillafinnen died. vol 3, p 527 1322 AD Henry Mac Gillafinen, Chief of Muintir-Feodachain, was slain by the sons of Auliffe Maguire vol3 , p 605 1354 AD Flaherty Mac Gillafinnen and his kinsman, were killed by their own people. vol 4, p 809 1412 AD Donough, son of Donnell Mac Gillafinnen, died Vol 4, p 869 1426 AD Teige Mac Gillafinnen and his son, Hugh, were slain by Art, the son of Owen O'Neill. Vol 4, p 873 1428 AD Mac Gillafinen killed Hugh Oge, son of Hugh Maguire. Vol 4, p 929 1443 AD Aengus Mac Gillafinnen, Abbot of Lisgool, died. Vol 4, p 1061 1469AD Margaret, daughter of Philip, son of Gilla Duv Maguire, and wife of Teige Mac Gillafinnen, died, Vol 4, p 1115 1480 AD John Mac Gillafinnen was slain at Bealach-Ui-Mithidhein. Now Ballaghmeehin, in the parish of Rossonver, in the north of county Leitrim .