Brien Cokayne 1st Baron Cullen of Ashbourne
 Brien Ibrican Cokayne 1st Baron Cullen of Ashbourne KBE (12 July 1864 – 3 November 1932) was a British businessman and banker.Cokayne was the fourth son of George Cokayne (originally George Adams) author of The Complete Peerage the son of William Adams and his second wife Mary Anne granddaughter of Charles Cokayne 5th Viscount Cullen.