Waltham - Mrs. Ada M. (Pintabona) Hartman, of Waltham, died Sunday, June 10, 2007 in Mount Auburn Hospital, Cambridge. She was 88. Born and raised in Waltham, a daughter of the late Philip and Frances (Orifice) Pintabona, Ada worked for over thirty years as an executive secretary for the Raytheon Corporation. Ada was the wife of the late William T. Hartman and sister of the late Philip, Carl, Bresci, Ernest, Dante and Henry Pintabona, Violet Murray, Grace Bellino, and Louise Cannistraro. Ada leaves her children, Diane M. Hartman, and Gary P. Hartman, both of Waltham; two sisters, Loretta Cianchi of Woburn and Anita Gallagher of Weston, one grandchild and many nieces and nephews. The Funeral will be held Thursday at 9 a.m. from the Joyce Funeral Home, 245 Main Street (Rte.20), Waltham followed by a Funeral Mass in Sacred Heart Church, 311 River Street, Waltham at 10 a.m. Burial will be in Mount Feake Cemetery, Waltham. Visiting hours will be held Wednesday from 2 to 4 and 7 to 9 p.m.