↑ "Maine Vital Records, 1670-1921," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VZ3T-MXK : 5 November 2017), Davis, Birth 28 Apr 1899; citing Division of Vital Statistics, State Board of Health, Augusta; FHL microfilm 9,926.
↑ "Maine, Marriage Index, 1892-1966, 1977-1996," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KCNR-Q26 : 27 November 2014), Alvah E Davis and Sharlot Groves, 03 May 1925; citing Marriage, Maine, United States, State Archives, Augusta.
↑ "Maine Death Index, 1960-1996," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KCVK-6B8 : 27 November 2014), Alvah E Davis, 11 Aug 1981; citing Death, Bangor, city code 19020, certificate 8106280, Maine State Archives, Augusta.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MMGQ-SPP : accessed 4 November 2018), Alvah E Davis in household of Arthur N Davis, Jonesport town, Washington, Maine, United States; citing enumeration district (ED) 209, sheet 15B, family 320, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,601.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MF87-PYZ : accessed 5 November 2018), Alvah Davis in household of Arthur Davis, Jonesport, Washington, Maine, United States; citing ED 175, sheet 15B, line 53, family 362, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 650; FHL microfilm 1,820,650.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XMD6-H68 : accessed 5 November 2018), Alvah Davies in household of Colby Davies, Jonesport, Washington, Maine, United States; citing enumeration district (ED) ED 39, sheet 16B, line 54, family 393, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 840; FHL microfilm 2,340,575.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KMM1-D9S : 15 March 2018), Alvah E Davis, Jonesport Town, Washington, Maine, United States; citing enumeration district (ED) 15-47, sheet 1B, line 65, family 17, 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 1494.
"United States World War I Draft Registration Cards, 1917-1918," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KZFB-PX4 : 13 March 2018), Alvals Edward Davis, 1917-1918; citing Washington County, Maine, United States, NARA microfilm publication M1509 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,654,019.
"Maine, World War I Draft Registration Index, 1917-1919," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q2HM-LLXX : 11 March 2018), Ahah Edward Davis, 1917-1919; citing Jonesport, Washington, Maine, United States, Maine State Archives, Augusta.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JKHJ-MMQ : 19 May 2014), Alvah Davis, Aug 1981; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).