41. Add MS 39270 M Reference (shelfmark): Add MS 39270 M Title: Scope & Content: M. Descendants of Murchadh, 1st Earl of Thomond. Murrough O'Brien, 1st Earl of Thomond: Descendants of: 20th cent. O'Brien, Earls of Thomond: Pedigrees of: 20th cent. Macnamara family: Pedigrees: 20th cent. Collection Area: Western Manuscripts Languages: English Date Range: 1900-1915 Extent: 1 item