From some family notes (found on Findagrave.com):

Salina Klein’s family Bible record states that Pulaski died in 1897 in Judsonia Arkansas. Other family records show 1899.The 1855 NY State Census in Duanesburg, Schenectady County shows that Margaret Ladd was his mother. Family records show that Margaret was alive in 1865 but probably died about 1866 or 1867.