1850 census shows them living in Dover, Bureau, Illinois, United States: "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M85J-HM8 : 12 April 2016), Hiram Pumphrey, Dover, Bureau, Illinois, United States; citing family 49, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
I see no birth or death record on Family Search.