Antonia is an unincorporated community in Jefferson County, in the U.S. state of Missouri.
[1] A post office called Antonia was established in 1874, and remained in operation until 1905.
[2] Antonia most likely derives its name from the first name of Anton Yeager, the original owner of the site.
[4] Stonebrook was listed on the National Register of Historic Places in 2011.
This Jefferson County, Missouri state location article is a stub.