 The name is of Native American origin, from "", meaning “at the mouth of the creek.” The township also included South Bethlehem until 1865 and Hellertown until 1872.German immigrants, convinced by Penn's favorable description of the New World, settled Lower Saucon Township in large numbers, beginning in the 1730s.Some of the surnames of the early German settlers were Boehm, Wagner, Appel, Riegel, Lerch, Laubach, Oberley, Heller, Shimer, and Lutz.