Waltham Miss Margaret J. Hynes of Waltham died Saturday, November 19, 2005 at Epoch of Weston. She was 80. Born in Waltham, a daughter of the late Patrick J. and Margaret A. (Murphy) Hynes, she had been a lifelong resident. She was a graduate of Waltham High School and until her retirement worked as a machine operator for Potter Press of Waltham for twenty-five years. Miss Hynes leaves her sister-in-law, Iris Kathleen Hynes of Waltham. She was the sister of the late Norman F., Richard and Joseph Hynes. Relatives and friends are invited to attend the Funeral at 9 a.m. Tuesday 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 Calvary Cemetery, Waltham. Visitation will be held Tuesday morning prior to the Funeral Mass from 9 to 9:45 a.m. Memorial donations may be made to St. Marys Restoration Fund, 133 School Street, Waltham, MA 02451.