Marquess of Anglesey - Bayly Baronetcy

The Bayly Baronetcy, of Plas Newydd in the County of Anglesey and of Mount Bagenall in the County of Louth, was created in the Baronetage of Ireland in 1730 for Edward Bayly, who had previously represented Newry in the Irish House of Commons. In 1712 he inherited substantial estates on Anglesey, including Plas Newydd, still the family's main residence, from a cousin, Nicholas Bagenall. He was succeeded by his son, the second Baronet. He represented Anglesey in the British House of Commons. His son was the aforementioned third Baronet, who had already succeeded as ninth Baron Paget and was created Earl of Uxbridge in 1784.