I have a Mary Whitnar Tweed, I believe her parents to be Abraham and Elizabeth (Reed) Tweed, Mary married Ebenezer Erskine Lusk in Henderson Co., IL on Jan 18, 1854. They moved to Cass Co. NE about 1880, to Keya Paha, Co. NE about 1883-84, then on to Ascotin Co., WA about 1898. Mary said in her application for Ebenezer's Civil War pension that she was born in IN. I am interested in the Lusk line also. Perhaps the fact that they were married in Henderson Co. Il will be of help to you.