If you are fortunate enough to have a memory book from your ancestor's funeral, you will find a fascinating insight into their family and friends. If you are still looking for where they may have been buried, here are a few sources to look at.
http://www.lva.lib.va.us/whatwehave/business/lcfh/
http://www.stlgs.org/DBlifeBurialsFuneralHomesHoffmeister.htm
http://www.rootsweb.com/~azpinal/funeralrecordsshipped.htm
Findagrave LA
http://www.findagrave.com/php/famous.php?page=cem&FScemeteryid=3642
http://www.pa-roots.com/~erie/page3.html