Baron Decies, of Decies in the County of Waterford, is a title in the Peerage of Ireland

Peerage of Ireland

The Peerage of Ireland is the term used for those titles of nobility created by the English and later British monarchs of Ireland in their capacity as Lord or King of Ireland. The creation of such titles came to an end in the 19th century. The ranks of the Irish peerage are Duke, Marquess, Earl,...

. It was created in 1812 for the Right Reverend William Beresford

William Beresford, 1st Baron Decies

William Beresford, 1st Baron Decies was an Anglo-Irish clergyman.Decies was the third son of Marcus Beresford, 1st Earl of Tyrone, and Catherine Poer, 1st Baroness de la Poer. George de la Poer Beresford, 1st Marquess of Waterford, was his elder brother...

, Archbishop of Tuam from 1794 to 1819. He was the third son of the Marcus Beresford, 1st Earl of Tyrone

Marcus Beresford, 1st Earl of Tyrone

Marcus Beresford, 1st Earl of Tyrone , known as Sir Marcus Beresford, 4th Baronet until 1720 and subsequently as The Viscount Tyrone until 1746, was an Irish peer, freemason and politician.-Background:...

, and the younger brother of the George Beresford, 1st Marquess of Waterford

George Beresford, 1st Marquess of Waterford

George de la Poer Beresford, 1st Marquess of Waterford, KP, PC was an Irish politician, known as George Beresford, 2nd Earl of Tyrone from 1763 to 1789....

. His son, the second Baron, married Charlotta Philadelphia Horsley, only daughter and heiress of Robert Horsley, and assumed the additional surname of Horsley in 1810. However, none of the subsequent barons have held this surname. His grandson, the fifth Baron, was a Major in the Army and also sat in the House of Lords

House of Lords

The House of Lords is the upper house of the Parliament of the United Kingdom. Like the House of Commons, it meets in the Palace of Westminster....

 as an Irish Representative Peer

Representative peer

In the United Kingdom, representative peers were those peers elected by the members of the Peerage of Scotland and the Peerage of Ireland to sit in the British House of Lords...

 from 1912 to 1944. the title is held by his grandson, the seventh Baron, who succeeded his father in 1992. As a descendant of the first Earl of Tyrone he is also in remainder to this peerage and its subsidiary titles, which are now held by his kinsman the Marquess of Waterford.

Barons Decies (1812)

• William Beresford, 1st Baron Decies
  William Beresford, 1st Baron Decies
  William Beresford, 1st Baron Decies was an Anglo-Irish clergyman.Decies was the third son of Marcus Beresford, 1st Earl of Tyrone, and Catherine Poer, 1st Baroness de la Poer. George de la Poer Beresford, 1st Marquess of Waterford, was his elder brother...
  
   (1743–1819)
• John Horsley-Beresford, 2nd Baron Decies (1773–1855)
• William Robert John Horsley-Beresford, 3rd Baron Decies (1811–1893)
• William Marcus de la Poer Beresford, 4th Baron Decies (1865–1910)
• John Graham Hope de la Poer Beresford, 5th Baron Decies (1866–1944)
• Arthur George Marcus Douglas de la Poer Beresford, 6th Baron Decies (1915–1992)
• Marcus Hugh Tristram de la Poer Beresford, 7th Baron Decies (b. 1948)

The heir apparent

Heir apparent

An heir apparent or heiress apparent is a person who is first in line of succession and cannot be displaced from inheriting, except by a change in the rules of succession....

is the present holder's eldest son, the Hon. Robert Marcus Duncan de la Poer Beresford (b. 1988)