The Aaron G. Cloud House, now the McCoy Memorial Library, is a historic house in McLeansboro, Illinois, which is now used as the city's public library. The house was built in 1884 for , the founder of the Cloud State Bank; it has served as a library since 1922. The Reid Brothers, an architectural firm from Evansville, Indiana, designed the home. The red brick house features a central tower with a pyramidal roof atop the front entrance, a semicircular bay on the front facade, and an entrance porch spanning three bays of the building. The house includes Eastlake Style ornamentation throughout its design. The house includes nine interior fireplaces; the four fireplaces on the first floor are surrounded by decorative wood and tiles.