I believe that my wife might be a descendant of your Jackson Reive.
My wife is the great-great granddaughter of a Jackson and Mary Reive. According to the accounts that my wife's grandmother handed down to us, Jackson and Mary had several children, including Bertha, Louella, Elmer, and Edgerton Elijah Reive (b. Aug 19, 1876 in Mersea Township, Essex County, Ontario; d. Sep 15, 1955 in Leamington, Ontario). My wife's grandmother's notes did not including any further information about Jackson and Mary, although they appear to have settled in Essex County, Ontario.
Is this Jackson and Mary the same as yours?