This Member was the great-grandson of Robert Barclay, the Quaker ‘Apologist’ and colonizer of East New Jersey, and was connected by kinship and marriage with a number of wealthy London merchant families including Barclays the brewers. By his second marriage he acquired large estates and additional interest in Kincardineshire and Aberdeen Burghs,
In 1788 Barclay was returned with the support of Henry Dundas, and voted with Pitt on the Regency bill. He is not known to have spoken in the House.
He died 8 Apr. 1797.
