Erin is an unincorporated community in Jasper County, in the U.S. state of Texas. [1]
A post office was established at Erin in 1847, and remained in operation until 1923. [2] The community was perhaps named for Erin, a poetic name for Ireland. [3] Erin was formerly a station on the Atchison, Topeka and Santa Fe Railway. [4]