This collection primarily consists of genealogical materials collected by Leon Guimond on numerous families in Northern Maine and Canada. The collection contains materials on the following names: Albert; Beaupre; Blondeau; Bosse; Caron; Cayouette; Chasse; Clifford; Cote; Curtis; Cyr; Daigle; Demers; Deom; Deschenes; Drouin; Dube; Dubois; Dufour; Gagnon; Giguere; Guimond; Jean; Jimmo; Kovacs; Lagace; Landry; Leach; Martin; Michaud; Morin; Ouellette; Pellerin; Perrault; Plourde; Raymond; Rossignol; Roy; Saucier; Sirois; Soucy; Talbot family; Tallard family; Talon; Tanguay; Tardif; Tellier; Tessier; Tetreault; Theberge; Thibodeau; Violette; and Voisine. Also included in the collection are maps, images, newspaper clippings, and some personal materials, including correspondence.