[2] For financial reasons, she did not complete her course at East Sydney Technical College[1] but during her studies she was influenced by Rayner Hoff's artistic style.

[2][3][5][6] Horseman married William Longford Power, an articled clerk, on 2 September 1931 at the North Sydney registry office.

In the early 1940s the family moved to Brisbane, where Horseman freelanced, drawing comic strips for Frank Johnson Publications as well as contributing cartoons to Man Magazine, Australian Woman's Mirror and Rydge's Business Journal[2][3] (for whom she created "The Tipple Twins").

[2][3] She then moved to the Blue Mountains in New South Wales, continuing to undertake freelance work and painting landscapes.

[2] Horseman died at the age of sixty-two in the Blue Mountains Hospital, Katoomba on 7 May 1974,[1][2][14] and was buried at St Thomas's Church in Mulgoa.