Waltham Mrs. Elizabeth A. (Sullivan) MacCausland of Waltham died Thursday, February 12, 2004 in Newton-Wellesley Hospital. She was 81. Born in Charlestown, Mrs. MacCausland was a lifelong Waltham resident. She was an administrative assistant for the Raytheon Company in Waltham for thirty-five years until her retirement. Mrs. MacCausland was the wife of the late Raymond P. MacCausland, the daughter of the late Jeremiah and Elizabeth (Allen) Sullivan; the sister of the late Edward Sullivan, Mamie DeAngelis, and Margaret DeFrance; and aunt of the late Teresa Cimetta. She is survived by her children, Raymond P. MacCausland Jr. of Waltham and Robert J. MacCausland and his wife Susan, of Framingham; her grandchildren, Kara, Scott, Lindsay, and Jenni-Leigh; her great grandchildren, Riley, Kelly, Jaycee, Charles, and Robert; and many nieces and nephews. The Funeral will be held at 9 a.m. Monday from The Joyce Funeral Home, 245 Main Street (Rte. 20), Waltham followed by a Funeral Mass in Saint Marys Church, 133 School Street, Waltham, at 10 a.m. Burial will be in Mount Feake Cemetery, Waltham. Visiting hours are Sunday from 3 to 6 p.m.