He was the son of Unknown Hallahan. Built John w Hallahan church in Tryon, north Carolina. He passed away after 1918.
Sources
Evening public ledger, 3 April 1918, pg 11
Evening public ledger, 7 Jun 1921, pg 3
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWJW-4ZC : 13 September 2017), Peter Hallahan in household of Dan'L Hallahan, Philadelphia, Philadelphia, Pennsylvania, United States; citing enumeration district ED 100, sheet 330A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1169; FHL microfilm 1,255,169.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M37J-GCF : accessed 23 December 2017), John W Hallahan in household of Peter Hallahan, Philadelphia city Ward 15, Philadelphia, Pennsylvania, United States; citing enumeration district (ED) 268, sheet 6A, family 90, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,458.
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