George Stewardson Brady (18 April 1832 – 25 December 1921) was a professor of natural history at the Hancock Museum in Newcastle-upon-Tyne who did important volumes on Copepoda and Ostracoda, including those from the Challenger expedition.

[1][2] He was the eldest son of Henry Brady, Surgeon of Gateshead, and his wife Hannah Bowman of Derbyshire.

He and his younger brother Henry Bowman Brady were both educated at the Friends' School, Ackworth and at Bootham school, York, where they were schoolfellows of the botanist John Gilbert Baker, and the Rowntree brothers Joseph, John, and Henry, of the famous cocoa business which bore their name.

He practised medicine in Gateshead (1857–1906) and was Professor of Natural History, Armstrong College, Newcastle (1875–1906).

He wrote reports on the Ostracoda and Copepoda of the Challenger Expedition.