Norhamshire was an exclave of County Durham

County Durham

County Durham is a ceremonial county and unitary district in north east England. The county town is Durham. The largest settlement in the ceremonial county is the town of Darlington...

 in England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. It was first mentioned in 995

995

Year 995 was a common year starting on Tuesday of the Julian calendar.- Europe :* Upon the death of Eric the Victorious, he is succeeded by his son Olof Skötkonung as the first baptized king of Sweden....

, when it formed part of the lands of the priory at Lindisfarne

Lindisfarne

Lindisfarne is a tidal island off the north-east coast of England. It is also known as Holy Island and constitutes a civil parish in Northumberland...

. When the lands north of the River Tees

River Tees

The River Tees is in Northern England. It rises on the eastern slope of Cross Fell in the North Pennines, and flows eastwards for 85 miles to reach the North Sea between Hartlepool and Redcar.-Geography:...

 were partitioned into Northumberland

Northumberland

Northumberland is the northernmost ceremonial county and a unitary district in North East England. For Eurostat purposes Northumberland is a NUTS 3 region and is one of three boroughs or unitary districts that comprise the "Northumberland and Tyne and Wear" NUTS 2 region...

 and County Durham

County Durham

County Durham is a ceremonial county and unitary district in north east England. The county town is Durham. The largest settlement in the ceremonial county is the town of Darlington...

 it, along with Bedlingtonshire

Bedlingtonshire

Bedlingtonshire is an area in north east England, consisting solely of the parish of Bedlington. It was an urban district in the county of Northumberland from 1894...

 and Islandshire

Islandshire

Islandshire was an area of Northumberland, England, comprising Lindisfarne or Holy Island, plus five parishes on the mainland.It is historically associated with the Bishop of Durham, and was administratively an exclave of County Palatinate of Durham...

, stayed under the jurisdiction of Durham despite being north of the River Tyne

River Tyne

The River Tyne is a river in North East England in Great Britain. It is formed by the confluence of two rivers: the North Tyne and the South Tyne. These two rivers converge at Warden Rock near Hexham in Northumberland at a place dubbed 'The Meeting of the Waters'.The North Tyne rises on the...

.

This situation persisted until the Counties (Detached Parts) Act 1844

Counties (Detached Parts) Act 1844

The Counties Act 1844 , which came into effect on 20 October 1844, was an Act of Parliament of the United Kingdom which eliminated many outliers or exclaves of counties in England and Wales for civil purposes....

, when it became the Hundred

Hundred (division)

A hundred is a geographic division formerly used in England, Wales, Denmark, South Australia, some parts of the United States, Germany , Sweden, Finland and Norway, which historically was used to divide a larger region into smaller administrative divisions...

 of Norham in Northumberland, to which it had already been united for Parliamentary purposes by the Reform Act 1832

Reform Act 1832

The Representation of the People Act 1832 was an Act of Parliament that introduced wide-ranging changes to the electoral system of England and Wales...

. The district originally was the single parish

Civil parish

In England, a civil parish is a territorial designation and, where they are found, the lowest tier of local government below districts and counties...

 of Norham, which had various townships

Township (England)

In England, a township is a local division or district of a large parish containing a village or small town usually having its own church...

 - the townships became separate civil parishes in 1866. The parishes of Norhamshire were:

• Cornhill-on-Tweed
  Cornhill-on-Tweed
  Cornhill-on-Tweed is a village and civil parish in Northumberland, in England about to the east of Coldstream.To the south and west of the village are the hamlets of West Learmouth and East Learmouth.- History :...
  
  
• Duddo
  Duddo
  Duddo is a village in Northumberland situated about south west of Berwick on Tweed.- Landmarks :The ruinous remains of Duddo Tower occupy a prominence to the south of the village....
  
  
• Felkington
• Grindon
• Horncliffe
  Horncliffe
   Horncliffe is a village in the county of Northumberland, England. It lies on the south bank of the River Tweed about south west of Berwick-upon-Tweed, and about north east of Norham and is the most northerly village in England.- Governance :...
  
  
• Loanend
• Longridge
• Norham Mains
• Norham
  Norham
  Norham is a village in Northumberland, England, just south of the River Tweed and the border with Scotland.It is the site of the 12th century Norham Castle, and was for many years the centre for the Norhamshire exclave of County Durham...
  
  
• Shoreswood
• Thornton
• Twizell

Elwick

Elwick

Elwick could beIn the United Kingdom:*Elwick, County Durham*Elwick, Northumberland*Elwick, Orkney *Elwick, DragonsburrowIn Australia:*Electoral division of Elwick, TasmaniaIn mathematics...

 was also a (detached) township of the parish of Norham but was associated with Islandshire

Islandshire

Islandshire was an area of Northumberland, England, comprising Lindisfarne or Holy Island, plus five parishes on the mainland.It is historically associated with the Bishop of Durham, and was administratively an exclave of County Palatinate of Durham...

instead.