Deutschland, Rheinland, Bistum Trier, katholische Kirchenbücher, 1704-1957, database, FamilySearch (https://familysearch.org/ark:/61903/1:1:WXW1-DHPZ : 12 September 2019), Anna Speicher in entry for Jacobus Heisel, 26 Oct 1833; citing Marriage, certificate 21, Püttlingen, Saarbrücken, Rhein, Preußen, Deutschland, Bistumarchiv (Diocese Archive), Trier, Germany.
"United States Census, 1850," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:M446-3L5 : 21 December 2020), Ann Hissel in household of Jacob Hissel, Avalon, Allegheny, Pennsylvania, United States; citing family , NARA microfilm publication (Washington, D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1880," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MW6L-7MR : 14 January 2022), Anna Heisel in household of Jacob Heisel, Pittsburgh, Allegheny, Pennsylvania, United States; citing enumeration district ED 154, sheet , NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm .
"Pennsylvania, Pittsburgh City Deaths, 1870-1905," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XZ71-QZG : 2 March 2021), Anna Heisel, 27 Nov 1880; citing v 26 p 151, Allegheny County Courthouse, Pittsburgh; FHL microfilm 505,828.