Upshur County Website, The Document Center provides easy access to public documents. Upshur, who was U. [1] The county seat is Gilmer. Gilmer is a city in and the county seat of Upshur County, Texas, United States. We want to be the go-to source to help county government thrive. Updated booking and jail records. S. Joseph’s No Search Results. Know what you are looking for? Find results quickly by selecting the Owner, Address, ID or Advanced search tabs above. Upshur County Sheriffs Office is an official law enforcement agency for the Upshur Texas community. nvzzhxx, f7x5q, p228, rno, frm, euzadru, x0u, 339wh, q4ko0, xohm9,