Jacob P. Yuncker [00022] is listed in the Internal Revenue Service Tax Assessment Rolls for 1863 in Alden, Erie, New York. The entry is dated June 30, 1863. He was taxed on the value of boots and shoes, probably as part of his business as a shoemaker.

Source: Ancestry.com, "U.S. IRS Tax Assessment Lists, 1862-1918," database, Ancestry.com Operations, Inc., Ancestry.com (http://Ancestry.com: downloaded 21 March 2010), Roll 202, Division 8, District 30, Alden, New York, Jacob P. Yuncker; citing National Archives (NARA) microfilm series M603.