William was born in 1891. He was the son of William and Emma (Blakey) Malamphy. Will married Bertha Pyell in 1919 in Illinois and together they had four children: Melvin, Martin, Fern and Laura. He passed away in 1975.
"United States World War I Draft Registration Cards, 1917-1918", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:74CW-RXN2 : 23 February 2021), William Malamphy, 1917-1918.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XSBK-B9J : accessed 8 June 2021), William Malamphy, La Prairie, Marshall, Illinois, United States; citing enumeration district (ED) ED 12, sheet 3B, line 57, family 58, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 534; FHL microfilm 2,340,269.
"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:KWZG-L61 : 8 January 2021), Will C Malamphy, Castleton, Stark, Illinois, United States; citing enumeration district (ED) 88-9, sheet 5A, line 8, family 87, 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 891.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JLMJ-TY3 : 9 January 2021), Will Malamphy, Mar 1975; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
"United States, Veterans Administration Master Index, 1917-1940," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:W3ZH-GF2M : 23 October 2019), William C Malamphy, 22 Mar 1919; citing Military Service, NARA microfilm publication 76193916 (St. Louis: National Archives and Records Administration, 1985), various roll numbers.