Edith (Dow) Nason, 91, a longtime resident of Haverhill, passed away Thursday, Dec. 11 at Whittier Rehabilitation Hospital, Haverhill. She was born in Haverhill, Sept. 8, 1923 the only daughter of the late Mabel (Kingman) and Frank Dow. Nason was educated in the Haverhill school system and gradu