BONITA SPRINGS, Fla. - Edith M. Harrington, 85, of Bonita Springs, a former longtime Greater Lowell resident, died Tuesday, May 13, at the Hope Hospice House in Fort Myers after a long illness. She was the wife of Robert F. Harrington, to whom she was married for 59 years.Mrs. Harrington was a Greater Lowell native, and lived in Lowell and Billerica before moving to Florida in 1986. Besides her husband, survivors include two daughters, Natalie Dejadon, wife of Arthur, of Townsend, and Kathy Tougas, wife of Ronald, of Gilford, N.H.; and two sons in Lowell, Russell Harrington, husband of Alice, and Robert F. Harrington Jr.She was also the mother of the late Judy Harrington; and sister of the late Grace Masse, Eileen Curtin, Gertrude Barbour and Arthur Jordan.