Lemonville is a ghost town that was the site of the Lemon Lumber Company in northern Orange County, Texas, United States, in the southeastern part of the state. Sometimes referred to as Lemon, it is located north of Orange and just east of Mauriceville. The town plat was filed in 1901 by a man named William Manuel, with the location chosen for its proximity to the tracks of the Kansas City Southern Railroad.In 1902, when the population was about 300, a post office was established, with Cornelius P. Ryan as first postmaster.