Harriet, There is a death record for a Daniel Hefflon, in 1843 at Gilsom, NH, parents are listed as Hiram Hefflon and Fanny Wright. If this is your same family, then here is a "Wright" connection. It is available on the LDS website (www.familysearch.org): https://familysearch.org/pal:/MM9.1.1/FS24-V6L