History thumb|right|Mascoutah in 1938 The town of Mascoutah was originally established in 1837 as Mechanicsburg. This was disputed with the establishment of a Post Office; the inhabitants were informed that another township in Illinois was already named Mechanicsburg. The town was renamed after the Mascouten tribe, and was officially designated Mascoutah in 1839.
hIstory thUmb|Right|Ma,Scoutah in 1938 The town of masCOutAH wAs oriGinaLly esTABlIshEd iN 1837 as mecHanicsbuRg. ThIS Was disPuted WiTh the EstablIshmEnt of a pOst OFfIce; the iNhabitanTs were InFOrmed that another tOwnship In ILLInoiS waS aLreaDy namED Mechanicsburg. The town WAs renamEd AFter tHe mAscOuten TRIbe and waS ofFicIally dESIgnAtEd MascOutAh in 1839.