[1] His great-grandfather, also named John Greene Sr., had come from Salisbury, Wiltshire, England, was a surgeon, and an early settler of Warwick in the colony of Rhode Island.
[2] Greene was made a freeman of the colony in 1718, and at the age of 32 was elected a deputy from Warwick in 1727, which office he held for five years.
[4] In 1728 he was appointed, along with John Mumford of Newport, to survey the boundary line between the Rhode Island and Connecticut colonies.
[7] When England declared war against France on 31 March 1744, the colony manned forts and reinforced them with guns and ammunition.
[8] Commodore Warren, with the aid of Rhode Island forces, laid siege to Louisbourg in Nova Scotia, which surrendered in June, surprising Europeans that the "strongest fortress of North America had capitulated to American farmers, machanics [sic], and fishermen.