My line is William FULLERTON born 3 July 1702 Boston, Mass died 1764 Nantucket, Mass married Mary CROWELL abt.1702-1735
Their son Stephen FULLERTON1731-1783 married Susanna WHITE 1736-?
to their daughter Susannah White FULLERTON 1767-? married William MITCHELL 1779-1859.
I would love to know if these are from one of the brothers you mentioned in your message.
Thanks for any help you might be able to supply!!