1848–1905) was one of the leaders of the 1878 "Fireburn" labor riot, or uprising, on the island of St. Croix in the Danish West Indies.

The government reacted to the labor shortage by making it harder for workers to leave the islands, demanding health certificates and charging fees for passports.

She was transferred to Copenhagen and placed at Women's Prison, Christianshavn, in 1882, but in 1887 she was sent back to Christiansted, St. Croix, to serve the remainder of her sentence.

[2][5] Thomas obtained semi-mythical status in the Virgin Islands oral tradition, where a popular song commemorates her actions in the uprising: The Queen Mary Highway on St. Croix is named after her.

[9] A book titled Fireburn The Screenplay: A story of passion ignited, based on the history of St. Croix written by Caribbean-American writer Angela Golden Bryan was published in 2018.