Honora O'Brien

✓ DOCUMENTED (Source: Burke's Peerage (modern edn), LANSDOWNE lineage pp.2237-38, re-photographed and read 22 Jul 2026.): HONORA (or Margaret), "his cousin... dau of O'Brien of Thomond"; 1st wife of the 4th Baron; mother of the 5th (our line). An earlier Honora in the line than the O'Brien Honora of 1594 (I99145) - the name recurs across three centuries of this family. Direct ancestress. Added 22 Jul 2026. ||CP AUDIT 26 Oct 2026|| ✓ CP VII p.205: 'Honor (or Margaret), da. of O'Brien of Thomond, his mother's great-niece'; 1st wife; Maurice the 5th Baron 's. and h. by 1st wife'. Father's name not given by CP. Source: Complete Peerage 2nd edn vol. VII (1929), 'Kerry' pp.201-214 (article by J. Brownbill, revised by G.H. Orpen), read 25-26 Oct 2026 (archive.org djvu text). ||27 Oct 2026|| Lodge II p.188: John, Lord of Kerry, 'married, by dispensation from the Pope, first Honora (or Margaret) daughter of O'Brien of Thomond, his mother's great niece, by whom he had Maurice his successor, and a daughter Margaret, married to Dermoid Mac-Carthy, Lord of Carbery'; CP VII p.205 the same. No source names her father; as great-niece of Slany (da. of Conchobhar na Siudaine) she was a great-granddaughter of that king through an unnamed son, but which is not recorded - NOT wired. Source: John Lodge, The Peerage of Ireland (Archdall ed., 1789), vol. II, 'Fitz-Maurice, Earl of Kerry' pp.186-188 (archive.org peerageofireland02lodg), read 27 Oct 2026 - Lodge's authority is 'MS pedigree' (the Lansdowne roll attributed to Segar, Ulster); Source: Complete Peerage 2nd ed. vol. VII (1929), 'Kerry and Lixnaw' pp.201-205 (J. Brownbill, revised by G. H. Orpen) (archive.org completepeerageo07coka_0), read 27 Oct 2026.