David Catchings Dickson (25 February 1818 - 5 June 1880) was an American politician and physician in early Texas who served as the ninth Speaker of the Texas House of Representatives and as the fourth Lieutenant Governor of Texas. He was also a State Senator and unsuccessfully ran for governor of Texas.Dickson was born 25 February 1818 in Pike County, Mississippi. In 1830, Dickson’s family moved to Georgetown in Copiah County, where he later married Sophronia L. Magee.