Parents of Thomas may have been Israel Dibble and Elizabeth Hull. Ray Smith's information lists a source of "Stephen Cooper of Shoreham, VT" written by Newman A. Hall 1984. His information lists the fact that Thomas and his brothers, Samuel and George came to East Hampton, from New England, probably Windsor CT in late 1600's.
More About Thomas Dibble and Rachel Mulford: Marriage: Apr 02, 1699, East Hampton, Suffolk, Ny.281, 282 Marriage contract: First marriage perf. by Rev. Huntting.283, 284
Children of Thomas Dibble and Rachel Mulford are:
+Mary Dibble, b. Bef. 1704, East Hampton, Long Island, New York285, 286, d. Dec 26, 1771, , Amagansett, , Long Island287, 288.