I'm researching Jeremiah as well. He died in 1856 according to administrative court documents. His son, Jeremiah Heath Allen from his first marriage, was administrator. Jeremiah Heath Allen died in 1859 without a will and his father in law, George Hays, was administrator to his estate. Jeremiah Allen's second wife, Martha A Doles, is on the 1860 census living with her married daughter, Sarah Jane Allen Ellis. Her young sons are also living there. Martha is listed as "insane" on the 1860 census. There was a guardianship document in 1867 about Jeremiah's underage guardianship for the two youngest sons. This seems to be necessary because Martha died in 1866-67. I found a Jeremiah H. Allen on the 1850 census for Hyde County, North Carolina, 18 years old, listed as a laborer. This could be Jeremiah Heath Allen and could indicate Jeremiah Allen is from Hyde County, North Carolina. Others on another site are claiming Jeremiah's father was a Jeremiah Allen in Northampton, North Carolina, but the 1800 census for that Jeremiah doesn't show a son Jeremiah's age listed. I'm just beginning to research the Hyde County possibility. It looks like there were six or so Allen (possibly) brothers listed on the 1790 census in Hyde County. Hope this helps.