The American Woman's League was a political and social organization founded by magazine publisher Edward Gardner Lewis in 1908.

Lewis commissioned the St. Louis architectural firm of Helfensteller, Hirsch & Watson to design five classes of buildings which the League would use as meetinghouses.

The Andover Chapter House is an example of a Class I building, which was designed for clubs with 30 to 60 members.

[1] It is one of nine American Woman's League chapter houses on the National Register in Illinois.

This article about a property in Henry County, Illinois on the National Register of Historic Places is a stub.