http://www.iltrails.org/union/permar.htm you will find the marriage of Mary and Robert listed along with several other cochrans which might be related. it is also listed at this site which has Willis marriages: http://freepages.genealogy.rootsweb.com/~willis/marrr.htm i found the above with search for "mary cochran" "robert willis" at google.com there are several robert willis listed in 1830 census, one in union county page 56, if you don't have it let me know and maybe i can look it up for you. karen [email protected]