Duane's take
Here's how the official marker tells it, and I'll do my best to do it justice. You're rolling through Deaf Smith County, and that name right there — that's not just a name. That's a story.
The county was formed from Young and Bexar territories, created on August 21, 1876, and it carries the name of Erastus Smith — a man they called Deaf Smith, 1787 to 1837. Now sit with that a moment. A man known for his hearing loss becomes one of the most consequential ears-to-the-ground scouts the Texas Revolution ever produced.
He came to Texas in 1821, and when the revolution came calling, Deaf Smith answered. He rendered valuable service as a scout and spy — those are the marker's own words, and they don't need any dressing up. Scout and spy.
And if that weren't enough, he was conspicuous for his bravery at the Battle of San Jacinto. Conspicuous. Meaning even in a battle full of brave men, people noticed him.
The county named in his honor was organized on October 3, 1890, and its first county seat had a bit of an identity crisis — officially named La Plata, but folks kept right on calling it Grenada. That arrangement held from 1890 to 1898. Then in 1899, Hereford stepped up and has been the county seat ever since.
A county born from two territories, shaped by revolution, and named for a man who heard what others missed. That'll stay with you a while.
What the marker says
Formed from Young and Bexar territories. Created August 21, 1876. Organized October 3, 1890. Named in honor of Erastus "Deaf" Smith, 1787-1837. Came to Texas in 1821. Rendered valuable service as a scout and spy during the Texas Revolution and was conspicuous for his bravery in the Battle of San Jacinto. County Seat, La Plata, frequently called Grenada, 1890-1898. Hereford, since 1899.