Bachmann is a surname of Switzerland and Germany. It originates as a description of the bearer as dwelling near a brook (Bach), such as a farm "Hofstatt am Bach" also called "Bachmanns Hofstatt" near Hinwil and Dürnten (recorded 1387), or the "Hof zum Bach" near Richterswil (recorded 1555).
Low German variants of the name include Beckman(n); Beekman(n); Becker.
There are three main lines of Bachmann families in Switzerland,
A Bachmann family of Bohemia is attested as bearing arms in the 15th century. Their coat of arms displays two linden leaves.
Georg Bachmann (born 1686 in Richterswil, son of Jos Bachmann 1657-1736) was Mennonite, married to Anna Maria Schnebelli in 1715. He emigrated to Coopersburg, Bucks County, Pennsylvania in 1717. Their family bible, a 1536 Froschauer Bible, remains in possession of the Mennonite Heritage Center, Harleysville, Pennsylvania.