Marrs Township is one of ten townships in Posey County, Indiana. As of the 2000 census, its population was 4,868.
Marrs Township was organized in 1817. The township was named for Samuel R. Marrs, a pioneer settler and afterward county commissioner.
- ^ "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- ^ Leffel, John C. (1913). History of Posey County, Indiana. Standard Publishing Company. p. 81.
- ^ History of Posey County, Indiana: from the earliest times to the present. Goodspeed Publishing Co. 1886. p. 311.