↑ "United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MD3M-ZNL : 12 April 2016), William Frost, Massachusetts, United States; citing p. 160, family 1451, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,110.
↑ "Massachusetts Marriages, 1695-1910," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FHPN-V3T : 9 February 2018), William P. Frost and Mary E. Andrews, 29 May 1845; citing reference 2; FHL microfilm 423,521.