It was created in 1815 for Henry Paget, 2nd Earl of Uxbridge, a hero of the Battle of Waterloo, second in command to the Duke of Wellington.

He had already been created Baron Burton, of Burton-on-Trent in the County of Stafford, in 1711, prior to succeeding to the barony of Paget in 1713.

[5] The barony of Paget, which could be passed on through the female line, devolved on his cousin Henry Bayly, who became the ninth Baron.

He was a prominent military commander who gained fame at the Battle of Waterloo, where he lost his leg.

[7][5] Lord Anglesey later held political office as Master-General of the Ordnance and Lord-Lieutenant of Ireland.

He held the honorary post of vice-admiral of North Wales and West Carmarthen.

His son, the fifth Marquess, became known for squandering his inheritance on a lavish social life and accumulating massive debts.

[12] The Bayly, later Paget 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.

His son was the aforementioned third Baronet, who had already succeeded as ninth Baron Paget and was created Earl of Uxbridge in 1784.

His sixth son, Berkeley Paget, sat as a Member of Parliament for Anglesey and Milborne Port.

His fourth son, Lord Clarence Paget, was a naval commander, politician and sculptor.

Lord Alfred Paget is a descendant, and he was a prominent courtier and politician during the reign of Queen Victoria.

Lady Clara Paget (born 1988), daughter of the eighth marquess, is an actress and model well known for her role in the TV series Black Sails.

His son Nicholas Bayly, father of the first baronet, was a member of the Irish House of Commons for Newry.

Charles Alexander Vaughan Paget, 8th Marquess of Anglesey (born 13 November 1950), an author and artist known as Alex Anglesey and Alex Uxbridge,[15] is the son of the 7th Marquess and his wife, Elizabeth Shirley Vaughan Morgan.

[16] In 1986, Uxbridge married, first, Georgeanne Elizabeth Elliott Downes, daughter of Colonel J.

They had two children:[12][16] In 2015, Anglesey married secondly Susan Blanche Louise de Paolis.

[18] The heir apparent is the present holder's son, Benedict Dashiell Thomas Paget, Earl of Uxbridge.