Air Commodore James George Weir, CMG, CBE (23 May 1887 – 7 November 1973) was an early Scottish aviator and airman.
He was a successful industrialist who financed Juan de la Cierva's development of the autogiro.
Weir was commissioned on 24 February 1906 as an officer in the 3rd (Renfrewshire) Volunteer Battalion, Princess Louise's (Argyll and Sutherland Highlanders).
[1] On 27 June 1911 Weir was found guilty of striking and knocking down on 13 April 1911 a former fiancé of his sister after he had broken off their engagement.
[2] Weir was awarded the 24th Royal Aero Club aviators certificate after flying a Bleriot Monoplane at Hendon on 8 November 1910.