Long, Marie F. (Merrill) of Somerville, May 7th. Devoted wife of the late Walter W. Long. Loving mother of Walter Long and Gail Low. Cherished grandmother of Scott Long, Tracy King and Evan Low. Beloved sister of Josephine Leonard, Phyllis Lawrence, Florence Lawrence, Genevieve Chadwick, Anthony Merrill Jr. and the late Francis, Sherman and Rafael Merrill. Also survived by 4 Great-Grandchildren, nieces, nephews, other loving relatives and friends. Funeral from the Rogers Funeral Home, 380 Cambridge St., Cambridge Friday at 9 am. Funeral Mass at St. Catherine’s Church in Somerville at 10 am. Visiting hours Thursday 4 to 8 pm. Interment at Forest Hills Cemetery in Boston.