Dinah was enslaved by Joseph Hill, and then by Capt James Littlefield.
"In addition to those stated in his will, Joseph Hill owned Dinah and Scipio." - Bourne, p. 408
Whereas Capt James Littlefield is said to have enslaved four individuals (Scipio, Sharper, Dinah and Tom) with the same names as six of the people enslaved earlier by Joseph Hill, the presumption has been made that these were the same individuals.
In her listing of "African Americans mentioned by Bourne and Remich" at the BSM exhibit on the Ridge Community, Town Historian Kathy Ostrander Roberts also listed those individuals as having been enslaved by both Joseph Hill and Capt James Littlefield.
Bibliography:
The History of Wells and Kennebunk from the Earliest Settlement to the Year 1820 - by Edward Bourne (1875)