It was named for Dr. Nathan Udell, a pioneer settler.[4]
Geography
Udell Township covers an area of 27.3 square miles (70.6 km2) and contains two incorporated settlements: Udell and Unionville, which together account for approximately half of the township's total population. According to the USGS, it contains five cemeteries: Clancy, Eaton, Fairview, Taylor and Unionville.