Do you live in Morristown of Morrisville? Confusion often surrounds the difference between the two names. The Town of Morristown was established on August 24, 1781. The Village of Morrisville is an incorporated village located with the Town of Morristown that voters approved of on June 13, 1890. Due to the Post Office being located in the Village, residents of both have a Morrisville mailing address.