Helynn M. Carrier in her outline of the descendants of Thomas and Martha Allen Carrier identifies Jonathan as the son of Amaziah Carrier. Amaziah was b. 17 July, 1754 in Colchester CT (Colchester VRs). Helynn states that "Information about this family...includes the research of" (two other researchers) "..and the compiler. The first two sons (Amaziah and Jonathan) are presumed by compiler to have been brothers by virtue of their tombstones reportedly being adjacent to each other in Pine Hill Cemetery, as are presumed parents of Amaziah's wife. Presumption they are the sons of this man are made by compiler and they may be proven to be wrong". Hope this gives you some help. At least you can get Amaziah's ancestry if you accept her presumption. Best of luck in your research.