They are all the same Daniel Purkey who was the sos of Isaac and grandsons of Michael Purkeypile. This Daniel and James Purkey living withElizabeth (Betsy) Estes was her nephews. She was d/o Michael Purkepile. Isaac died ca. 1847 leaving several small children in which these two lived with their Aunt Betsy Estes,Michael and William lived with Uncle John Purkeypile and Sarah Estes Purkepile. Two lived with George Petty and maybe two others lived with their mother Eliza and new husband John Walker to whom she married in 1849. Also this Daniel married Sarah (Sallie) McKinney.