[2] However, the State Historical Society of Missouri suggests Fabius actually was the name of a French pioneer in the area.
[3] The North Fabius River, about 109 miles (175 km) long,[1] is the longest of the three forks and rises near Moulton in southwestern Appanoose County, Iowa.
The South Fabius flows generally south-southeastwardly through Knox, Lewis, Shelby and Marion counties, past the town of Newark.
Near Newark it collects the Little Fabius River, which rises near Hurdland and flows for its entire length in Knox County.
The South Fabius River's average discharge at Taylor is approximately 440 cubic feet per second.