Background
Forster was born on 6 December 1853. She was the daughter of Thomas Barton Watkin Forster and Emma Stewart (born Galbraith), a landscape-painter, of Holt Manor, Bradford-on-Avon, Wiltshire.
Forster was born on 6 December 1853. She was the daughter of Thomas Barton Watkin Forster and Emma Stewart (born Galbraith), a landscape-painter, of Holt Manor, Bradford-on-Avon, Wiltshire.
Forster exhibited at the Royal Academy in 1876, 1878 and 1880. In 1884 she became an associate of the Royal Institute of Painters in Water Colours.