HO
Honora O'Brien
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Honora O'Brien was a daughter of O'Brien of Thomond and a cousin of her husband, the fourth Baron of Kerry and Lixnaw. She is an earlier Honora than the O'Brien Honora of 1594, and between them the name recurs in this family across three centuries.
Research notes
✓ 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.