Kirbyville is a city located in Jasper County in Texas. The town’s population was 2,142 as of the 2010 census. The first name of the city was Kirby, for John Henry Kirby who was the largest lumber manufacturer in Texas. Kirby was fortified in 1895. When Kirby’s railroad was built. In just one year the population rose to 300 residents. Kirby sold his railroad possessions to the Santa Fe railroad. Kirby founded the Kirby Lumber Company the following year. By 1914, the city’s population rose to around 2,900 citizens. As stated by the U.S Bureau the city has a total area of 2.4 square miles.