Sir Richard Glyn, 1st Baronet (13 June 1711 – 1 January 1773) was a British banker and politician, who together with Joseph Vere and Thomas Hallifax founded the Bank of Vere, Glyn & Hallifax, which evolved into Williams & Glyn's Bank.
He served as Sheriff of London in 1753 and as Lord Mayor of London in 1758.
Article in Wikipedia [1], the History of Parliament website here [2], and the Epsom & Ewell History Explorer page here.