Sims Post Office   Sims Post Office was located at the Greathouse Community. Ezekial M. Brack was postmaster from Dec. 9, 1877 to Jan. 5, 1880, when it was discontinued.   Copyright © 2002-2016, Ellis County TXGenWeb. All Rights Reserved. This page was last modified: Thursday, 01-Jul-2021 13:17:26 MDT