In 1841 President John Tyler appointed him Secretary of the Navy and then in June 1843, President Tyler appointed him Secretary of the State, and it was here that he laid ground work for the annexation of Texas to the Union.
On February 28, 1844 he was killed in an explosion of the "Peacemaker," a new cannon on the Battleship Princeton, so when the legislature organized this county they requested that it be named Upshur.
Our county seat is Gilmer, located on the Old Cherokee Trace, a trail used by the Cherokee Indians in their travels. Sam Houston, when he lived with the Cherokee, traveled the Trace through here. The location of Gilmer was determined by a flood on Little Cypress Creek. First located near the creek, residents decided to change locations because of frequent floods. On the day of the election a flood kept voters north of the creek from getting to the polling place, so the south side voters won.