He was born in Pugwah, Cumberland County, though the family before him were in Cornwallis, Kings County.
Afraid I can't claim any credit here - there is a book that traces the whole family back through the United States to the early 1600s. Fascinating information - but not nearly as much fun as when you find it all out for yourself!
The research is certainly fun and exciting, but having a book to read is amazing. Is your gggfather "THE" Mr. Eaton of the store that I shopped at many many times?
He was a shipbuilder who sailed his own ship, with his family, all the way to NZ (which never ceases to amaze me) when there was a downturn in the shipbuilding industry in NS. It's quite a large family with lots of them still in NS - so he could well be a relation of your Mr E!