City, County, State and Federal Governments
- Incorporation of the City
- Mayors 1900-2000
- 1913 City Hall
- 1939 City Hall
- Odd City Ordinances
- De Leon Police Department
- De Leon Volunteer Fire Department
- Water Tanks
- Ben Barnes–Speaker of the Texas House of Representatives
- Ben Barnes–Lt. Governor of Texas
- Legislators for De Leon and Comanche County
- Loudermilk, W.T.–Texas House of Representatives
- Moore, O.H.–Texas House of Representatives
- Ross, Tipton S.–Texas House of Representatives
- Steakley, Zollie–Son of Mr. and Mrs. Zollie Steakley Sr. He was appointed Texas Secretary of State, elected to the Texas Supreme Court.
- Williams, Bill–son of Mr. and Mrs. J.C. Williams of De Leon was born in Alabama, came to Comanche County at age 10. Educated in area rural schools, attended what is now Univ. of North Texas and Univ. of Texas prior to World War I. Enlisted in the army, serving in an engineering unit in France. Returned to U.T. where he completed his law degree and married the daughter of A.M. Stewart of Magnum, Okla. First opened a law office in Breckenridge, then partnered with Stewart in Mangum. Won a special election to the Oklahoma Senate on Jan. 23, 1929.
- Dabney, Edwin–son of E.E. Dabney and long-time law partner with A.E. Hampton was elected Attorney General of Oklahoma. Dabney was married to Emma Adams of De Leon.
- Johnson, Samuel Robert–Johnson was a member of the Texas House of Representatives (1985-1991) before being elected to the U.S. House representing Plano and Collin County. A Viet Nam hero, he is the son of Mima Nabors Johnson and grandson of former De Leon Chief of Police John Nabors.