Shirley is an unincorporated community in Washington County, in the U.S. state of Missouri.
Allen Branch flows through the community and enters the Sunnen Reservoir one mile to the north.
[2] A post office called Shirley was established in 1894, and remained in operation until 1955.
[4] Susan Cave (23WA190) was listed on the National Register of Historic Places in 1989.
This Washington County, Missouri state location article is a stub.