John Roger Dunne was born on 4 May 1884 in St. Louis, Missouri, United States. He was the son of Michael Dunne and Marie McDerby..
John married Ethel Peters on 12 Nov 1912 in Detroit, Wayne, Michigan, United States. 
John died on 15 Jun 1960 in Detroit, Wayne, Michigan, United States.
↑ Michigan Marriages, 1868-1925," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N3LM-W9Z : 4 December 2014), John R. Dunne and Ethel M. Peters, 12 Nov 1912; citing Detroit, Wayne, Michigan, v 5 p 495 rn 89678, Department of Vital Records, Lansing; FHL microfilm 2,342,699