This is possibly Mrs Mary Selina Douglas, born in 1822, a daughter of Captain Richard Langslow. Mary married Roddam Hulke Douglas on 3 Dec 1839 at Hatton, Middlesex, England. The couple sailed to Van Diemen's Land in 1840 and lived in the Westbury district. They had 13 children between Nov 1840 and Feb 1864. The seven youngest were christened at the Methodist Church at Westbury. They later lived in the Evandale district before moving to Launceston. Mary died on 22 Sep 1895 at 218 Charles Street, Launceston, and was interred in the Westbury Church of England burial ground.