Architect, watercolourist, illustrator and printmaker, born in Sydney, Australia. Attended University of Sydney and Cambridge University, England, studying at Westminster School of Art under Frank Medworth. From 1930 practised privately as an architect, but in a versatile career did aircraft drawings for the Ministry of Information as well as illustrating for the printed page. His watercolours are often landscapes of England and Ireland. The Imperial War Museum, which holds McGrath’s work, included it in a mixed show of artists born in 1903 which was held in 2003–4. It included Rear Turrets of a Whitley Aircraft 1940, a stylised watercolour. Publications include Twentieth Century Houses. Lived in Dublin, Ireland.