Earl Landaff, of Thomastown in the County of Tipperary

County Tipperary

County Tipperary is a county of Ireland. It is located in the province of Munster and is named after the town of Tipperary. The area of the county does not have a single local authority; local government is split between two authorities. In North Tipperary, part of the Mid-West Region, local...

, was 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 1797 for Francis Mathew, 1st Viscount Landaff, who had previously represented County Tipperary in the Irish House of Commons

Irish House of Commons

The Irish House of Commons was the lower house of the Parliament of Ireland, that existed from 1297 until 1800. The upper house was the House of Lords...

. He had already been created Baron Landaff, of Thomastown in the County of Tipperary, in 1783, and Viscount Landaff, of Thomastown in the County of Tipperary, in 1797, also in the Peerage of Ireland. In 1800 he was elected as one of the 28 original Irish Representative Peers

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...

. He was succeeded by his son, the second Earl.

The Earls Landaff used the invented courtesy title

Courtesy title

A courtesy title is a form of address in systems of nobility used for children, former wives and other close relatives of a peer. These styles are used 'by courtesy' in the sense that the relatives do not themselves hold substantive titles...

 Viscount Mathew for 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....

. Despite their territorial designation

Territorial designation

A territorial designation follows modern peerage titles, linking them to a specific place or places. It is also an integral part of all baronetcies...

s and the fact that they were in the Peerage of Ireland, the titles all referred to the place in Glamorgan

Glamorgan

Glamorgan or Glamorganshire is one of the thirteen historic counties and a former administrative county of Wales. It was originally an early medieval kingdom of varying boundaries known as Glywysing until taken over by the Normans as a lordship. Glamorgan is latterly represented by the three...

 now spelt Llandaff

Llandaff

Llandaff is a district in the north of Cardiff, capital of Wales, having been incorporated into the city in 1922. It is the seat of the Church in Wales Bishop of Llandaff, whose diocese covers the most populous area of South Wales. Much of the district is covered by parkland known as Llandaff...

. The Mathew family was founded by Sir David Mathew(d.1484), Grand Standard Bearer of England. The Earls of Landaff were descended from the branch of the family seated at Radyr

Radyr

Radyr is an outer suburb of Cardiff, the capital of Wales. The suburb is situated in the west of the city, although it was originally a separate village, and is located around 5 miles north west of Cardiff city centre. According to 2009 estimates, the suburb has a population of 6,000...

, Glamorgan

Glamorgan

Glamorgan or Glamorganshire is one of the thirteen historic counties and a former administrative county of Wales. It was originally an early medieval kingdom of varying boundaries known as Glywysing until taken over by the Normans as a lordship. Glamorgan is latterly represented by the three...

, Wales, descended from Thomas Mathew(d.1470), a younger son of Sir David Mathew. In Llandaff Cathedral

Llandaff Cathedral

Llandaff Cathedral is the seat of the Bishop of Llandaff, head of the Church in Wales Diocese of Llandaff. It is situated in the district of Llandaff in the city of Cardiff, the capital of Wales. The current building was constructed in the 12th century over the site of an earlier church...

, nearby Radyr, there exist three 15th.c. & 16th.c. Mathew family effigies.

The seat of the Mathew family was Thomastown Castle, County Tipperary

County Tipperary

County Tipperary is a county of Ireland. It is located in the province of Munster and is named after the town of Tipperary. The area of the county does not have a single local authority; local government is split between two authorities. In North Tipperary, part of the Mid-West Region, local...

.

Earls Landaff (1797)

• Francis Mathew, 1st Earl Landaff (1738–1806)
• Francis James Mathew, 2nd Earl Landaff
  Francis Mathew, 2nd Earl Landaff
  Francis James Mathew, 2nd Earl Landaff KP , styled The Honourable Francis Mathew from 1783 to 1797 and Viscount Mathew from 1797 to 1806, was an Irish peer and politician....
  
  (1768–1833)