Are you still looking for information regarding Benjamin Olcott of Ontario?
I’m researching a book and perhaps using Olcott’s Tavern as a point of interest. I saw your posts on Ancestry.com. I know they are 5 or 6 years old, so I’m not sure if you knew that some of the Kingston newspaper archives are now online at Digital Kingston. And there are lots of articles about Benjamin Olcott:
http://catalogue.kfpl.ca/kfplvw/List.csp?SearchT1=Olcott&...=
All the best