This collection of primary and secondary source material for the five towns of Grand Isle County includes letters, diaries, deeds, probate records, town records, vital records, cemetery inscriptions, biographies, genealogies, photographs, newspaper clippings, typescripts, and copies of manuscripts, contained in 251 binders, 47 folders, and 2 card files. The compiler, Allen L. Stratton, organized most of his Grand Isle County collection in loose-leaf binders, and the binder system has been retained. The bulk of the collection contains information on "Champlain Islands" families, with an additional 13 notebooks with information on French Canadian families. Other French Canadian related notebooks contain reference data and letters from Virginia Easely DeMarce, including two manuscripts, "Canadians in the American Revolution, " and "Pepin County, Wisconsin, settlers from Vermont." The collection also includes 23 notebooks relating to the Allen family of Deerfield, Massachusetts, and Grand Isle, Vermont. As well, the collection contains transcriptions of McLellan cemetery records, a record of burials in cemeteries in Clinton, New York, and Grand Isle, Addison, Chittenden, and Franklin, Vermont, counties, compiled by Hugh, Charles, and Hulda McLellan.