of Stoke Newington and Islington in the County of London. At the same time the detached part of the parish of Clerkenwell was added to Hornsey. The urban district and civil parish of Hornsey remained in Middlesex, being incorporated as the Municipal Borough of Hornsey in 1903. The civil parish was abolished when the borough became part of the London Borough of Haringey in 1965. Ecclesiastical parish The ancient parish, dedicated to St Mary, was in the Diocese of London. From 1862, as the population of Hornsey increased, a number of new parishes were formed: Hornsey, Christ Church, Crouch End in 1862 Hornsey, Holy Innocents in 1877 Hornsey, St Peter in 1898 Hornsey, St Luke in 1903 Hornsey St George in 1910 The parishes of Hornsey Rise and Hornsey Road were formed in 1865 and 1866 respectively. The two parishes were formed out of part of the area of the ancient parish of Islington. In addition, as the population of neighbouring areas increased, parts of Hornsey parish were included in new parishes: Highgate in 1834 Muswell Hill, St James in 1843 Stoke Newington, St Matthias in 1849 Highgate, All Saints in 1874 Brownswood Park in 1875 was formed from the southern part of the parish Stroud Green in 1881 Harringay in 1892 References External links Hornsey and Highgate Local Government in Hornsey View of Hornsey Church Hornsey Churches Hornsey Historical Society Sources Guide to the Local Administrative Units of England, Vol.1, Frederic Youngs, London, 1979 History of the London Borough of Haringey Religion in the London Borough of Haringey History of local government in London (pre-1855) Former civil parishes in London Hornsey