1863 Jacob G Bortner was taxed in Shrewsbury Twp, York County, Pennsylvania. [1]
1878 Jacob G Bortner was a merchant for sole leather in Glen Rock Twp, York County, Pennsylvania. [2]
A biosketch reports [3]:
Jacob G. Bortner is a son of Jacob and Catherine (Garbeck) Bortner. of Codorus Township, where our subject was born November 23, 1826. He was reared on his father's farm, and after learning his trade, at Krouse tannery, Maryland, married March 10, 1852, Matilda Messomer, daughter of Daniel and Christine (Reitz) Messomer, of Manheim Township; this marriage has been blessed with seven children: Castila A.; Syrian P.; Josephine A.; Levina H.. deceased; Catherine A.; Alvan J., deceased; and Matilda H. He built his tannery in 1851, and has kept it running at its full capacity ever since, employing on an average ten to twelve hands. Mr. Bortner manufactures (in connection with his tanning) flavine and extract of black oak bark. He built his present residence in 1852. Mr. Bortner is one of the leading business men of Shrewsbury Township.
[1] U.S. IRS Tax Assessment Lists, 1862-1918, [AncestryRecord], [AncestryImage].
[2] A. K. Dunkle, Report of the Bureau of Industrial Statistics, Vol. 7, 1878-9 (1880), 263, [GoogleBooks].
[3] John Gibson, ed., History of York County Pennsylvania, from the earliest period to the present time (Chicago: Battey, 1886), 170, [InternetArchive].