 Hackett senior died in 1916 leaving a large estate to his family, and a large endowment to the University of Western Australia.On 10 April 1918 Lady Hackett, now aged 30, married (Sir) Frank Beaumont Moulden and moved to Adelaide; she was Lady Mayoress of Adelaide 1919-1921, and became Lady Moulden in 1922.Moulden died after a cerebral haemorrhage on 8 April 1932.