The first German-born immigrant to settle m Louisville was Augustus David Ehrich, a mastershoemaker from Konigsberg, Prussia, who arrived in 1817. German immigration to Louisville progressed slowly in the 1820s, and by 1832 only 25 German-born heads of households were living in Louisville.
"German-Speaking Social and Benevolent Societies in Louisville,"
Swiss American Historical Society Review: Vol. 52
, Article 6.
Available at: https://scholarsarchive.byu.edu/sahs_review/vol52/iss3/6