"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MXJL-RS4 : accessed 09 Nov 2013), Francis M. Hamrick in household of Elizabeth Hamrick, Pilot Grove, Hancock, Illinois, United States; citing sheet 206B, family 2, NARA microfilm publication T9-0211
↑ "Ohio, County Marriages, 1789-2013," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:2QQ5-DGS : 8 December 2017), William M Hamrick and Elizabeth Ann Beatty, 28 Aug 1851; citing Muskingum, Ohio, United States, reference ; county courthouses, Ohio; FHL microfilm 910,164.