James R. Dimpkins, Alamo defender, was born in England and marched to Texas from New Orleans as a member of Capt. Thomas Breece's company of New Orleans Greys. He took part in the siege of Bexar and later served in the Alamo garrison as a sergeant in Capt. William Blazeby's infantry company. Dimpkins died in the battle of the Alamo on March 6, 1836.