↑ "Michigan Marriages, 1822-1995," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FZ99-FRP : 10 February 2018), Fred A Terwilliger and Emma Grill, 10 May 1888; citing reference ; FHL microfilm 2,342,482.
↑ "United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHHN-CCB : 12 April 2016), Fred Terwilliger in household of Abram Terwilliger, Michigan, United States; citing p. 8, family 58, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,168.
↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWS9-B3G : 26 August 2017), Fred Terwileger in household of Abram Terwileger, Lebanon, Clinton, Michigan, United States; citing enumeration district ED 51, sheet 431D, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0577; FHL microfilm 1,254,577.
↑ "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MSMJ-VGW : accessed 18 August 2018), Fred Terwilliger, North Plains township Hubbardston village, Ionia, Michigan, United States; citing enumeration district (ED) 19, sheet 5A, family 116, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,717
↑ "United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZ3N-62Z : accessed 13 August 2018), Fred A Terwilliger, North Plains, Ionia, Michigan, United States; citing ED 86, sheet 2A, line 38, family 49, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 772; FHL microfilm 1,820,772.
↑Michigan Death Certificates, 1921-1952, database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KF33-LDH : 12 December 2014), Fred A Terwilliger, 22 Feb 1926; citing Hubbardston, Ionia, Michigan, United States, Division for Vital Records and Health Statistics, Lansing; FHL microfilm 1,972,751.