Several on-line family trees suggest John died in 1847. BUT… there is a J. Deloory, born 1802, Ireland, living in Pakenham, Lanark County, in 1851. There are several other Deloorys living with him, all identified only by initial and sex. All were born in Canada.

http://search.ancestry.com/iexec?htx=View&r=an&dbid=...

Various other spellings from on-line family trees include Deloughry and Deloury.

There are a couple of postings that may offer you clues…

http://boards.ancestry.com/localities.northam.canada.ontario...

http://genforum.genealogy.com/canada/messages/2497.html