The 1851 Census for Tantramurray Cappagh (he had moved to Beltany before the accident) shows - Robert & Rebecca Clarke, Margaret dtr 8, Elizabeth dtr 7, Susanne dtr 5, Robert son 9 months.
Robert Clarke Beltany 23 November 1868 [310] Letters of Administration of the personal estate of Robert Clarke late of BELTANY County Tyrone Labourer who died 7 October 1868 at Blackrock were granted at Londonderry to Rebecca Clarke of Beltany (Mountjoy) aforesaid the Widow of said deceased. Source: Wills and Administrations 1868, page 75