Duane's take
Here's my telling of what the official marker has to say about Jeff Davis County. Now settle in, because this is a story about land, names, and the kind of permanence that only comes from being carved into a county seat twice. Out here in the Trans-Pecos, the state of Texas reached into Presidio County and, on March 15, 1887, pulled out something brand new.
Jeff Davis County. Created just like that, from the body of its larger neighbor. And they didn't waste any time getting organized either.
By May 16, 1887, the county was up and running, official and ready for business. The whole thing came together in a matter of weeks. Now, the name.
This county carries the name of Jefferson Davis, born in 1806, gone in 1868, and in between those two years, he served as President of the Confederate States. That's the man the marker honors, and out here that name is stitched into the landscape itself. And then there's Fort Davis.
Fort Davis had already been the county seat of Presidio County back in 1875, sitting out there in the Davis Mountains doing what county seats do. When Jeff Davis County was carved out and organized in 1887, Fort Davis didn't have to go far to keep its importance. It simply became the county seat of the new county, and it has held that seat ever since.
Same town, same ground, different county. Some places just have a way of staying at the center of things.
What the marker says
Formed from Presidio County. Created March 15, 1887. Organized May 16, 1887. Named in honor of Jefferson Davis. 1806-1868. President of the Confederate States. Fort Davis, County Seat, Presidio County, 1875. County Seat, Jeff Davis County, since 1887.