The Colvin House is a house in Chicago, Illinois, United States. Chicago (ʃɪˈkɑːgoʊ is the largest City by population in the state of Illinois and the American Midwest of the United States. The State of Illinois ( roughly ill-i-NOY is a state of the United States of America, the 21st to be admitted to the Union. The United States of America —commonly referred to as the The house was built in 1909 by George W. Maher. Year 1909 ( MCMIX) was a Common year starting on Friday (link will display full calendar of the Gregorian calendar (or a Common year starting George Washington Maher ( December 25 1864 &mdash September 12 1926) was a significant contributor to the Prairie School -style It was designated a Chicago Landmark on October 5, 1994. Events 869 - The Fourth Council of Constantinople is convened to decide about what to do about Patriarch Photius of Constantinople Year 1994 ( MCMXCIV) was a Common year starting on Saturday (link will display full 1994 Gregorian calendar) [1]