ARMSTRONG, Dorothy G. (Coppenrath) of Dedham, formerly of West Roxbury & Roslindale, Sept. 1, 2016. Beloved wife of the late David J. Armstrong. Loving mother of Paul Armstrong and his wife Anne of West Roxbury, and Leonard Armstrong and his wife Elaine of Dedham. Devoted grandmother of David Casey and his wife Michele, Kathleen, Kevin, Mary, Joyce and Joanne Armstrong. Sister of Frederick Coppenrath and Msgr. Leonard Coppenrath. Also survived by many nieces and nephews. Funeral from the William J. Gormley Funeral Home 2055 Centre St. WEST ROXBURY, Tuesday, Sept 6th at 9 am, followed by a Funeral Mass in St. Theresa Church at 10 o’clock. Visiting hours Monday 5-9 pm. Relatives and friends invited. Interment St. Joseph Cemetery. Retired employee of the VA Hospital in West Roxbury.