John Barclay Armstrong

John Barclay Armstrong (January 1, 1850 – May 1, 1913) was a Texas Ranger lieutenant and a United States Marshal.

He is usually remembered for his role in the pursuit and capture of the famous gunfighter John Wesley Hardin.

Among notable relatives were his maternal grandfather Charles Ready, a U.S. Representative from Tennessee and his cousin Confederate States Army Brigadier General John Hunt Morgan.

After living in Arkansas and Missouri for a short time, Armstrong moved to Austin, Texas in 1871.

He was involved in several notable cases, including the capture of Hardin and the pursuit and killing of noted bank robber Sam Bass.