"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MD4Z-P8P : 12 April 2016), Ralph Higdon, Baltimore, ward 17, Baltimore, Maryland, United States; citing family 1128, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MN34-3W5 : 12 April 2016), Harriet Higdon in household of George Hartman, Maryland, United States; citing p. 422, family 3284, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,078.
Is Mary your ancestor? Please don't go away! Login to collaborate or comment, or ask our community of genealogists a question.