More information is needed to help you learn about Mettie. Is this the person you are searching?
"Find A Grave Index," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:QVKX-2QHG : accessed 14 April 2016), Mettie Jane Rhoads, 1967; Burial, Elmville, Highland, Ohio, United States of America, Dunkard Ridge Cemetery; citing record ID 39449754, Find a Grave, http://www.findagrave.com.
If it is, it is a good starting place with her birth & death dates. -NGP