She was the daughter of Adolph and Theodora Belanger and married twice in her life. She was the wife of Joseph Coppola and Richard Ladebush. She had several children and nine grandchildren.
She passed away in 2001.
Sources
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XQLF-1WN : accessed 6 June 2021), Mary J Belanger in household of Adolph Belanger, Haverhill, Essex, Massachusetts, United States; citing enumeration district (ED) ED 63, sheet 1B, line 64, family 15, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 896; FHL microfilm 2,340,631.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K4X8-LYC : 25 May 2020), Mary J Coppola in household of Joseph Coppola, Ward 5, Haverhill, Haverhill City, Essex, Massachusetts, United States; citing enumeration district (ED) 5-132, sheet 11B, line 75, family 242, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 1580.