Astronomer Engineer Sir William Parsons Third Earl of Rosse Bart., K.P. PRS 1800 - 1867
Birr Castle, Birr, Ireland
Mechanical Engineer Inventor of the Steam Turbine Sir Charles A. Parsons KCB, OM, FRS 1854 - 1931
Birr Castle, Birr, Ireland
Mary Rosse (1813-1885) [full inscription unknown]
Historic Science Centre, Birr Castle, Birr, Ireland