Source 1: The History & Genealogy of The Prentice Family of New England, by Binney: Jonah was born either at Preston, New London, Connecticut or Canterbury, Connecticut; He was an itinerant Blacksmith in Uxbridge, Wocester, Massachsuetts from 1753 or 1759: His children were all born at Uxbridge, Worcester, Massachusetts.
Source 2: Vital Records of Mendon, Worcester, Massachsuetts to the year 1850 This source lists a marriage for Abigail Printice, & Joseph Southwick, int. 10 October 1801 I believe this a daughter (first child) of Johan Prentice & Abigail Cummings, named after her mother, Abigail Also Thaddeus Prentice, son of Jonah Prentice married Kezia Southwick, 27 September 1795 at Mendon; Also, I believe William, son of Jonah had a son Wilson who M: Trial Darling here in Mendon;