William Hutchinson died during the Revolutionary War of a disease called camp fever. William Hutchinson might be buried on the old homestead in Milford, near Hightstown, New Jersey.
Could this be the Captain William Hutchinson of the New Jersey Royal Volunteers who aided the British during the Revolution? The First Battalion included Captain William Hutchinson. 
Could this be William Hutchinson of Upper Freehold and Dover, Lieutenant, New Jersey Volunteers. 
1793 Could this be private William Hutchinson in 1st Battalion of 2nd Regiment, Middlesex County, New Jersey under command of Captain John Hight. 
1787 William Hutchinson, 1 Battalion, New Jersey Volunteers appraised the estate of William Melick, a Loyalist. 
 Edwin Salter and George C Beekman, Old Times in Old Monmouth (1887, Reprinted 1999 by Heritage Books, ISBN 0-7884-1228-0), 50-51, 58.
 Michael S. Adelberg, Roster of the People of Revolutionary Monmouth County New Jersey (Clearfield, 1997, reprinted 2003), 145, [Google].
 Russell K. Dutcher, Compiled Records of the Middlesex County, New Jersey Militia, 1791-1795 (Clearfield Company, 1996), 29, [Google].
 Andrew D. Mellick, The story of an old farm, or, Life in New Jersey in the eighteenth century (Somerville, NJ: Unionist-Gazette, 1889), 561, [Internet_Archive].