Frances M (Signori) Snyder, of Canton passed away unexpectedly on April 16th. Born and raised in Hyde Park, Frances attended Boston Public Schools, Bunker Hill College and Northeastern University. She has been living in Canton for 16 years. Frances worked as a hematologist for Boston City Hospital for over 15 years before retiring in 1994. Beloved wife of Mark F. of Canton. Loving sister of Robert Signori of Lakeville & the late Patricia-Ann Yanchuk. Also survived by many nieces & nephews, and great-nieces & nephew . Visiting hours in the Dockray & Thomas Funeral Home 455 Washington St. Canton Monday 4-8 pm. Funeral mass at St. Gerard Majella Church, Canton, Tuesday morning at 10:00. Interment private.