"In 1794 she married Thomas Reiby, formerly of the East India Company, who established a trading enterprise called Entally House. By 1803 Thomas owned three boats and traded coals and wheat up the Hawkesbury and Hunter rivers. In 1807 Thomas bought a schooner for trading with the Pacfic Islands, however he fell ill after a voyage to India in 1809.
After his death in 1811 Mary was left with seven children and control of a large business which included rural properties, Bass Strait sealing operations and overseas trading. Through enterprise and hard work she became one of the most successful businesswomen in the Colony. As she rose in affluence, she also rose in respectability and socialised in Governor Macquarie's set. Mary opened a new warehouse in 1812 and extended her fleet with the purchase of two more ships in 1817. In 1820 Mary returned to England with her daughters. "
(Returning to Sydney by 1825 or so, living in Newtown until her death in 1855.)