This site (which I found earlier this evening) will tell you much of what you want to know about the Dabney, Overstreet, Hall connection. My husband descends from the Overstreets & Hailes.
http://www.iltrails.org/menard/ho_6.htmlhttp://www.iltrails.org/menard/ho_6.html The Grandfathers Vol.I, The Hall and Overstreet Families Carrol Carman Hall, Springfield, IL, 1981 The Revolutionary War Period Section II Chapter 6, Page 51
I think you'll be thrilled.Let me know! Happily, Harlene