Cosgro of Lynn formerly of Cambridge, April 1, 2017, Arthur B. Cosgro, age 56. Beloved son of the late Edwin H. and Cora L. (Smith) Cosgro. Father of Melissa Abreu of Everett, Aaron Cosgro of Somerville and the late Arthur Cosgro, Jr. Grandfather to Brianna Cosgro, Lillian Abreu, and Leah Abreu of Everett and great grandfather to Bentley Santiago of Everett. Brother of Edwin Cosgro of Lafayette, LA, Robert Cosgro of Dyerbrook, ME, Carol Jordan of Framingham and Nancy Vicente of Salem. Graveside service will be held Monday, April 10, at 10:00 a.m. in Mount Auburn Cemetery, Cambridge. Relatives and friends invited.