"Maryland Births and Christenings, 1650-1995," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F48H-18R : 12 December 2014), Simon Lohr, 07 Sep 1830; citing ; FHL microfilm 940,421.
"Maryland Marriages, 1666-1970," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F4V3-7YV : 12 December 2014), Simon Lohr and Harris Ann Mart, 10 Nov 1864; citing German Reformed Church,Frederick,Frederick,Maryland, reference ; FHL microfilm 13,935.
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MN3X-N7W : 12 April 2016), Simon Lohr, Maryland, United States; citing p. 21, family 151, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,086.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2F5-1F2 : accessed 9 October 2017), Simon P Lohr, Mechanicstown, Frederick, Maryland, United States; citing enumeration district (ED) ED 73, sheet 3A, family 66, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 565; FHL microfilm 1,374,578.