Mitchison, of Carradale in the County of Argyll (Barony)
A peerage of the United Kingdom.
Letters patent issued on Mon 5th Oct 1964
To Gilbert Richard Mitchison as Life peerage: Life Peerages Act 1958.
Issued during the Douglas-Home administration
Announced on Wed 5th Aug 1964 as part of a London Gazette Notice
Peerage extinct on Sat 14th Feb 1970 with the 1st holder .