Some time after 1850, Thomas Lewis, the Quaker son-in-law of Elizabeth Scarlet, operated an Underground Railroad station out of the home he built in White Bear in 1810 (Walker 1974, 307; Homan 1958, 115). Charles Boyer, an eighty-year resident of White Bear, recalled his “parents and grandparents…claiming that any fugitive slave could find sanctuary at any house along that road [now State Route 341, west from White Bear to Plow church]” (Homan 1958, 117).
https://sites.psu.edu/localhistories/woven-with-words/the-underground-railroad-in-the-19th-century/
White Bear was a stop along the railroad line, named after the White Bear Inn that Herman Beard opened in 1815. Originally the area was Scarlet’s Mill, for the grist mill that John Scarlet built.