Waltham - Mr. Donald G. Kingston, of Waltham, died Monday, February 11, 2008 in Newton-Wellesley Hospital. He was 59. Born in Boston, a son of the late Donald and Gertrude (Mueller) Kingston, Donald worked for many years at the Walter E. Fenald State School in Waltham as an attendant. He was the father of the late Joshua D. Kingston. Donald leaves his wife Susanne J. (Richard) Kingston; one son, Jason D. Kingston and his wife, Pamela, of Waltham; one brother, Richard Kingston and his wife, Priscilla, of Dedham; one sister, Maryann Dwyer and her husband, Steven, of Longmont, Colorado and many nieces and nephews. Funeral services and burial are private.