↑ "Illinois, County Marriages, 1810-1940," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QK9L-D15B : 17 October 2017), Albert P Terwilliger and Margaret Wiley, 26 Jan 1862; citing Stark, Illinois, United States, county offices, Illinois; FHL microfilm 1,403,417.
↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXKK-93G : 7 September 2017), A M Terwilleger in household of A P Terwilleger, Bradford, Stark, Illinois, United States; citing enumeration district ED 278, sheet 388A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0252; FHL microfilm 1,254,252.
↑ "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MSHL-SQ9 : accessed 26 December 2017), Maggie A Terivilliger in household of Albert P Terivilliger, Osceola Township Bradford village, Stark, Illinois, United States; citing enumeration district (ED) 132, sheet 5B, family 114, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,345.
↑ "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MKXJ-41W : accessed 26 December 2017), Anna M Terwilliger in household of Albert Terwilliger, Osceola, Stark, Illinois, United States; citing enumeration district (ED) ED 123, sheet 4B, family 103, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 323; FHL microfilm 1,374,336.
↑ "United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MJC5-N12 : accessed 26 December 2017), Margaret Terwilliger, Osceola, Stark, Illinois, United States; citing ED 150, sheet 4B, line 89, family 109, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 409; FHL microfilm 1,820,409.