The title of Earl of Mexborough was created in the Peerage of Ireland in 1766. The Earl bears the subsidiary titles of Viscount Pollington (1766) and Baron Pollington (1753). The Peerage of Ireland is the term used for those peers created by British monarchs in their capacity as Lord or King of Ireland. ... 1766 was a common year starting on Wednesday (see link for calendar). ... 1766 was a common year starting on Wednesday (see link for calendar). ... 1753 was a common year starting on Monday (see link for calendar). ...