In March 1890 her father’s job moved the family back to Europe where they settled in Göttingen, Germany.

WSPU told the suffragettes who smashed the windows that they should not destroy the businesses in Queensland and Victoria because women did have the right to vote in Australia.

In March 1912, she was imprisoned in Holloway for four months for “damage” which was the smashing the windows of Marshall and Snelgrove’s shop in Oxford Street.

[3] In prison she participated in a hunger strike and was force-fed, and along with Mary Ann Hilliard and others secretly embroidered her name on The Suffragette Handkerchief right under the wardress's noses.

In June 1913, Casey and her daughter Bella were supportive of Kitty Marion's notion that setting fire to the grandstand at a racecourse at Hurst Park, Hampton Court would be (in reference to Emily Davison's act of throwing herself under the King's horse at Epsom races), a 'most appropriate beacon, not only as the usual protest, but in honour of our Comrade's daring deed'.

When she moved to Australia in 1968 she participated in the Australian branch of the Suffragette Fellowship[3] and Liberal Catholic Church in England.