Career
After graduating from Harvard in 1728, he returned to Braintree, Massachusetts (Quincy). In 1735 he moved to Boston and engaged in commerce and shipbuilding. He returned to Braintree in 1748.
Josiah was an American Patriot and supporter.
He was in business with brother Edmund. He and his father traveled in Europe making contacts and contracts to promote the business.
When his firm"s ship, Bethel, captured the Spanish ship Jesus Maria and Joseph in 1748, he retired from that business and went back to Braintree. He was a local magistrate and a colonel of the Suffolk regiment who made investments.
He went to Pennsylvania as a commissioner in 1755 to ask for assistance in a proposed expedition to Crown Point in the French and Indian war.
In retirement, Franklin invested several businesses in Quincy. Franklin assisted his Quincy and Joseph Palmer in several speculative ventures in glass, candle and chocolate making. They had: Edmund, Samuel, Hannah, and Josiah.
Hanna died in 1755.
Josiah married Elizabeth Waldron and they had Elizabeth. Josiah Quincy died in 1784. Josiah"s sons Samuel and Josiah took part in the trial of Captain Thomas Preston for the murders committed at the Boston Massacre.
Samuel, who was a Tory, was in charge of the prosecution as the solicitor-general.
