Daniel I just did a search for Ezra on findagrave.com....this date fits your Ezra, but says he was buried in CT? here is a link to his memorial. http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=17...
there are several links to other family members as well. I did not see an Olvier, but his son Ezra is buried in Newport, NH which is next to Claremont. I hope this helps. ~ Deb