Harry was born in 1858. He is the son of Robert Lea.
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZLQ-SXC : 12 April 2016), Harry Lea in household of Robert Lea, Pennsylvania, United States; citing p. 94, family 691, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,790.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MW6Z-NXP : 16 July 2017), Harry Lea in household of Robt Lea, Allegheny, Allegheny, Pennsylvania, United States; citing enumeration district ED 19, sheet 516C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1087; FHL microfilm 1,255,087.