subs. (American).See quots.
 
  1871.  DE VERE, Americanisms, 45. So low a person 
 he appears as Conch or LOWDOWNER in North Carolina.
 
  1883.  R. L. STEVENSON, The Silverado Squatters, 151. They are at least known by a generic byword, as poor whites or LOW-DOWNERS.