Maria Ustonson

Maria Ustonson was the daughter-in-law of Onesimus Ustonson, founder of the London-based fishing tackle maker, Ustonson. She was married to his third son, Charles Ustonson (1775-1822), who took over the business in 1815, but when he died in 1822, his widow Maria Ustonson took over.{{cite web|url=http://turnersco.com/a-fishermans-tale/ |title=The Worshipful Company of Turners » A fisherman's tale |publisher=Turnersco.com |accessdate=2017-04-08}}

Under Maria, Ustonson received a Royal Warrant from three successive monarchs starting with King George IV.{{cite web |url=http://www.greatflyfishingtips.com/welcome-to-great-fly-fishing-tips/ |title=Welcome To Great Fly Fishing Tips |publisher=Great Fly Fishing Tips |date=2011-12-01 |accessdate=2017-04-08 |archive-url=https://web.archive.org/web/20170627040414/http://www.greatflyfishingtips.com/welcome-to-great-fly-fishing-tips/ |archive-date=2017-06-27 |url-status=dead }}

In 1830, she married the portrait painter William Armfield Hobday, and after his death in 1831, married Robert Joy in 1833.