In his will, Judge Samuel Wheelwright left one negro servant named Titus to his wife Hesther/Hester ("Esther" per Bourne, p. 408). Probate record of 1700 lists "one Negro man, at £20."
Bibliography:
York County Probate Records, Volume One (1680-1706)
The History of Wells and Kennebunk from the Earliest Settlement to the Year 1820 - by Edward Bourne (1875)
Maine Probate Abstracts Vol I 1687-1775 - John Eldridge Frost (1991)
York County Registry of Probate