"The first Pelatiah Littlefield bought one [enslaved person] in Boston, paying for him eighty pounds." - Bourne, p. 408
The Portsmouth Athenaeum provides a record stating that Peletiah Littlefield was born in 1704 in Wells and died circa 1793, while his son Peletiah was born 1732/3.
Bibliography:
The History of Wells and Kennebunk from the Earliest Settlement to the Year 1820 - by Edward Bourne (1875)
Record of the Portsmouth Athenaeum located at: https://athenaeum.pastperfectonline.com/byperson?keyword=Littlefield,%20Pelatiah,%201704-c1793