Email the Genealogy Staff at the Findlay-Hancock County Public Library. There is a Contact Us link at the bottom of their webpage, http://www.findlay.lib.oh.us/hist.htm/http://www.findlay.lib.oh.us/hist.htm/.
There were no death certs, as we know them, before 1908. Prior to that date, deaths were recorded in single line entries on facing pages of a large leather-bound volume. I don't believe the burial location was included in that info but the librarian may be able to suggest where to look.