Is this your guy?
"United States Census, 1870," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:MZ54-MB8 : 17 October 2014), Levi Knecht, Pennsylvania, United States; citing p. 3, family 15, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,875.
"United States Census, 1880," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:MWNK-NQG : 10 August 2016), Levi Knecht, Tunkhannock, Monroe, Pennsylvania, United States; citing enumeration district ED 229, sheet 421A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1157; FHL microfilm 1,255,157.
"Pennsylvania Births and Christenings, 1709-1950," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:V2V3-TGL : 9 December 2014), Levi Knecht in entry for Knecht, 16 Sep 1855; Christening, citing SALEM CHURCH-EVANGELICAL LUTHERAN AND REFORMED,GILBERT,MONROE,PENNSYLVANIA; FHL microfilm 941,098.
https://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=19353586