Martin Sheeran and John Dardis Descendants and Biographies. Material: paper. Size: 9" x 11". Description: red hard cover with gold print: Ancestry, Descendants and Biographies, Sheeran: Martin and Mary Cullen Sheeran; and Dardis: John and Anna Casserly Sheeran; contents: 159 numbered pages of County Roscommon, Ireland genealogy, the Sheerans in America, photos, documents, appendix and index.