1. English: habitational name from Bartley in Hampshire, or from Bartley Green in the West Midlands, both of which are named with Old English be(o)rc ‘birch’ + leah ‘woodland clearing’; compare Barclay. 2. Americanized spelling of German (Swabian) Bartle and the Swiss cognate Bartli.
indicate the level to which a name has been verified.