See quotations.
1634. The Humilities or Simplicities (as I may rather call them) bee of two sorts, the biggest being as big as a greene Plover, the other as big as birds we call Knots in England.W. Wood, New England Prosp. (1865), p. 34. (N.E.D.)
1781. Larks, humilitys, whipperwills, dewminks [are named among the native birds].Samuel Peters, History of Connecticut, p. 255 (Lond.).