Waltham Miss Grace M. Quinn of Waltham died Monday, December 13, 2004 in the Woodbrier Nursing Center in Wilmington. She was 90. Until her retirement, Miss Quinn worked for many years as a sales administrator for Armco Steel Company in Wellesley. She was very active with the Concerts on the Common program in Waltham and she was a former president of the Waltham Arts Council and the Business & Professional Womens Organization. Miss Quinn was the daughter of the late Simon and Catherine (Morrisey) Quinn and the sister of the late Jack Quinn and Evelyn McLaughlin. She is survived by her brothers, Harold Quinn of Florida and George Quinn of Lynn; and many nieces, nephews, grandnieces, grandnephews, and one great grandnephew. The Funeral will be held at 10 a.m. Thursday 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 11 a.m. Burial will follow in Oak Grove Cemetery, Medford. Visiting hours are Wednesday from 4 to 7 p.m.