"United States Census, 1850," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWZL-5F5 : accessed 22 April 2015), Mary Hall in household of Israel Hall, Strafford, Strafford, New Hampshire, United States; citing family 1212, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1860," index, FamilySearch (https://familysearch.org/ark:/61903/1:1:M7WL-NSG : accessed 22 April 2015), Mary Hall in household of Joel S Hall, Barnstead, Belknap, New Hampshire, United States; from "1860 U.S. Federal Census - Population," database, Fold3.com (http://www.fold3.com : n.d.); citing p. 5, household ID 34, NARA microfilm publication M653 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 803,666.
"New Hampshire, Marriage Records, 1637-1947," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FLF3-DYJ : accessed 13 April 2015), Mary in entry for James M. Scruton and Sarah A. Hall, 10 Nov 1861; citing Barrington, , New Hampshire, Bureau of Vital Records and Health Statistics, Concord; FHL microfilm 1,001,308.