Have you tried the Harrison Co. web site at http;//www.rootsweb.com/~moharris.index.html

On the Yankee Ridge Cemetery page, (see the Harrison Co. Cemeteries link in the list of H.C. links), there is a Nancy Trotter listed, and her stone reads, "Wife of Daniel Trotter". She died in 1861 at the age of 33.

You might also want to browse around this web site to see what information you may be able to find.