Purvis is a city in Lamar County, Mississippi, United States. It is part of the Hattiesburg, Mississippi Metropolitan Statistical Area. The population was 2,164 at the 2000 census. It is the county seat of Lamar County. The Town of Purvis was incorporated on February 25, 1888 and was founded by and named after Thomas Melville Purves, originally of Marion County, Alabama. Purves, born March 8, 1820 was a second generation Scottish-American whose grandfather immigrated to Charleston, South Carolina in 1765.