Job passed away in March 1798 in Mercer County, Kentucky.
Sources
"Kentucky, U.S., Land Grants, 1782-1924," database, Collection The Kentucky Land Grants, Volume Number 1, Part 1, Title Chapter II Virginia Grants (1782-1792), Section The Counties of Kentucky, Source Page Number 28, (Ancestry Record 2073 #1240 : accessed 17 July 2023), Grantee Job Brumfield, Number of Acres 300, Survey Date 13 Apr 1785, County Lincoln, WaterCourse Doctors Fk, Book Number 11.
"Kentucky Probate Records, 1727-1990," database with images, FamilySearch Image: 33S7-9P32-9CG5, accessed 17 July 2023, Will of Job Brumfield, dated 18 March 1798, produced March term 1798, Mercer County, Kentucky, FHL film #004818857, image 185 of 501, Will records, 1795-1802, Vol. 2 page 106, county courthouses, Kentucky.