Lamar County. Created December 17, 1840 from Red River County. Organized in 1841. Named in honor of Mirabeau B. Lamar, 1798-1859. Father of Texas education. President of the Republic of Texas 1838-1841. Lafayette, 1841, Mount Vernon, 1843, Paris, originally called Pinhook, 1844, have served as county seat. #8204