Sabula was originally called Reynolds, and under the latter name was platted in 1873 when the railroad was extended to that point. A post office called Sabula was established in 1884, and remained in operation until 1953.
- U.S. Geological Survey Geographic Names Information System: Sabula, Missouri
- "Iron County Place Names, 1928–1945 (archived)". The State Historical Society of Missouri. Retrieved 12 October 2016.
- "Post Offices". Jim Forte Postal History. Retrieved 12 October 2016.