Hornsey was a parliamentary constituency covering what is now the Hornsey district of North London. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom from the 1885 general election until it was abolished for the 1983 general election. It was then largely replaced by the new Hornsey and Wood Green constituency.
In 1918 parliamentary boundaries were altered, and the constituency became a parliamentary borough identical in area with the Municipal Borough of Hornsey. In 1970 constituencies were again altered, being formed by the grouping of wards of the London boroughs created in 1965. The new constituency of Haringey, Hornsey consisted of eight wards of the London Borough of Haringey: Central Hornsey, Crouch End, Fortis Green, Highgate, Muswell Hill, South Hornsey, Stroud Green and Turnpike.
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