South Hornsey was a local government district in Middlesex

Middlesex

Middlesex is one of the historic counties of England and the second smallest by area. The low-lying county contained the wealthy and politically independent City of London on its southern boundary and was dominated by it from a very early time...

, 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...

 from 1865 to 1900.

The district was formed in 1865 when the Local Government Act 1858 was adopted in the southern part of the parish of Hornsey

Hornsey (parish)

Hornsey was an ancient parish in the county of Middlesex. It was both a civil parish, used for administrative purposes, and an ecclesiastical parish of the Church of England.- Civil parish :...

. South Hornsey Local Board

Local board of health

Local Boards or Local Boards of Health were local authorities in urban areas of England and Wales from 1848 to 1894. They were formed in response to cholera epidemics and were given powers to control sewers, clean the streets, regulate slaughterhouses and ensure the proper supply of water to their...

 was formed to govern the area.

The majority of the district (172 acres) consisted of the Brownswood Park

Manor House, London

Manor House is a district of North London.-Location:Built up in the mid 19th century as part of an area called Brownswood Park, today, like other areas of London, it is a district without a formal town centre, but distant enough from other town centres that it has come to be recognised as an area...

 area south east of Finsbury Park

Finsbury Park

Finsbury Park is a 46 hectare public park in the London Borough of Haringey. Officially part of the London area of Harringay, it is also adjacent to Stroud Green, the Finsbury Park district and Manor House. It was one of the first of the great London parks laid out in the Victorian...

. There were also two detached portions with a total area of 60 acres (242,811.6 m²) which were surrounded by the parishes of Stoke Newington

Stoke Newington (parish)

Stoke Newington was an ancient parish in the county of Middlesex. It was both a civil parish, used for administrative purposes, and an ecclesiastical parish of the Church of England.-Civil parish:...

 and Islington

Islington

Islington is a neighbourhood in Greater London, England and forms the central district of the London Borough of Islington. It is a district of Inner London, spanning from Islington High Street to Highbury Fields, encompassing the area around the busy Upper Street...

. Under the Local Government Act 1888

Local Government Act 1888

The Local Government Act 1888 was an Act of the Parliament of the United Kingdom, which established county councils and county borough councils in England and Wales...

, Islington and Stoke Newington became part of the County of London

County of London

The County of London was a county of England from 1889 to 1965, corresponding to the area known today as Inner London. It was created as part of the general introduction of elected county government in England, by way of the Local Government Act 1888. The Act created an administrative County of...

, and the outlying parts of South Hornsey became exclaves of Middlesex within the new county.

The Local Government Act 1894

Local Government Act 1894

The Local Government Act 1894 was an Act of the Parliament of the United Kingdom that reformed local government in England and Wales outside the County of London. The Act followed the reforms carried out at county level under the Local Government Act 1888...

 reconstituted the area as an urban district

Urban district

In the England, Wales and Ireland, an urban district was a type of local government district that covered an urbanised area. Urban districts had an elected Urban District Council , which shared local government responsibilities with a county council....

, and South Hornsey Urban District Council replaced the local board. South Hornsey became a separate civil 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...

 at the same time.

The London Government Act 1899

London Government Act 1899

The London Government Act 1899 was an Act of the Parliament of the United Kingdom that reformed the administration of the capital. The Act divided the County of London into 28 metropolitan boroughs, replacing the 41 parish vestries and District Boards of Works administering the area...

 divided the County of London into metropolitan borough

Metropolitan borough

A metropolitan borough is a type of local government district in England, and is a subdivision of a metropolitan county. Created in 1974 by the Local Government Act 1972, metropolitan boroughs are defined in English law as metropolitan districts, however all of them have been granted or regranted...

s and provided for boundary revisions to provide more effective administration. Accordingly South Hornsey Urban District was abolished in 1900, with the bulk of its area included in the Metropolitan Borough of Stoke Newington

Metropolitan Borough of Stoke Newington

The Metropolitan Borough of Stoke Newington was a metropolitan borough in the County of London between 1900 and 1965 when it became part of the London Borough of Hackney.-Predecessor authorities:...

, and a small part to the neighbouring Borough of Islington

Metropolitan Borough of Islington

The Metropolitan Borough of Islington was a Metropolitan borough within the County of London from 1900 to 1965, when it was amalgamated with the Metropolitan Borough of Finsbury to form the London Borough of Islington.-Boundaries:...

.

The records of South Hornsey Local Board and Urban District are held by the archives department of the London Borough of Hackney

London Borough of Hackney

The London Borough of Hackney is a London borough of North/North East London, and forms part of inner London. The local authority is Hackney London Borough Council....

.