Although I have no relationship with the Wommack family, I did locate the below site. Maybe it will have something helpful to you Marilyn H Moore
http://search.msn.com/results.asp?RS=CHECKED&FORM=MSNH&a...

History of Elsberry [Lincoln Co.], Missouri
... Cannon, A.M, LL.B., LL.D., M.C. ... Capt. Richard Wom- mack (1804-1880), came to Missouri in October of 1823. Captain Wom- mack became sheriff of Lincoln ...
homepage.interaccess.com/~nealu/moelsbe3.htm