 That same year, Lamar was admitted into the Mississippi Bar and began a private practice in Tupelo, Mississippi.In 1877, Lamar returned to Florida, having been appointed clerk of the Jefferson County court, a position he held until 1881.In 1883, Lamar, a Democrat, was appointed judge of the Jefferson County court, serving until 1886, when he was elected to the Florida House of Representatives, representing Jefferson County.