[J. Thomas Scharf (1886)] It was laid out in plots lying on six parallel streets running north and south, which were crossed by one at right-angles, put down as Hudson A ve-nue. Other sections have been mapped out iu village lots in a similar manner, and with equally negative results. 322 HISTORY OF WESTCHESTER COUNTY. The town of Ossining was organized May 2, 1 84o.1 It was formerly included in the town of Mount Pleas-ant. The names "Ossin-ing :' and "Sing Sing" are of unquestionable Indian origin. The meaning of the term "Ossining"' and its derivation were given bj Mr. Henry M. Schoolcraft, in 1844, at the request of General Aaron Ward, member of Congress from this district at that time. We are told that the word Ossin, in the Chippeway language, signifies "astone; " that Oesinee, or Ossineen, is the plural for " stones." 1 This etymology was accepted, and, in May, 1X4">, when our town was taken from Mount Pleasant, it received the name of " Ossin-sing." In March, 1846, it was changed (by dropping the third *) and made to read " Ossin-ing," and still later the hyphen was omitted. The name of the village has a more ancient origin and use. In the early part of the seventeenth cen-tury this locality was occupied by a tribe of the Mo-THE CKOTOX Ayr KI)l°< T ARCH AT SING SlXli.