Mount Clare is located in sections 25, 26, 35 and 36 of Gillespie Township. According to the 2010 census, the village has a total of 1.55 square smiles, with 1.51 square miles in land and 0.04 square miles in water. The village was named after Mrs. Clara Dorsey, wife of one of the original landowners of the great Superior Coal filed, or a Dorsey child with the spelling of “Clair.” The old grade school has the spelling “Mount Clair” above the entrance doors. . . Read more in MACOUPIN COUNTY, ILLINOIS HISTORY & FAMILIES available in our genealogy library or through this website.