Maria Catherine Hardenburgh

"New York Births and Christenings, 1640-1962," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FDYG-8BV : 11 February 2018), Maria Catharine Pollock, 18 Aug 1836; citing , reference ; FHL microfilm 534,206.

"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8KM-K8K : 12 April 2016), Maria C Hardenburgh in household of John Hardenburgh, New York, United States; citing p. 9, family 57, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,582.

• John Hardenburgh M 30 New York
• Maria C Hardenburgh F 32 New York
• John H Hardenburgh M 2 New York

"New York State Census, 1875," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VNV8-KY4 : 11 March 2018), Maria Hardenburgh, North Greenbush, Rensselaer, New York, United States; citing p. 20, line 13, State Library, Albany; FHL microfilm 549,898.

• Maria Hardenburgh F 37
• John H Hardenburgh Son M 8
• Sarah E Hardenburgh Daughter F 5

"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZFD-SBK : 21 August 2017), Maria Hardenberg, 1880; citing enumeration district ED 166, sheet 369C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d), roll 0922; FHL microfilm 1,254,922.

• Maria Hardenberg Self F 40 New York, United States
• John H Hardenberg Sister F 12 New York, United States
• Sarah E Hardenberg Daughter F 9 New York, United States

https://www.findagrave.com/memorial/111628861