 The constituency was created under the Redistribution of Seats Act 1885, and was then named "St George Hanover Square" after the parish of the same name.It was renamed in 1918 as "Westminster St George's", and abolished in 1950.From 1885 to 1918, when the constituency was known as St George Hanover Square, it was defined as being coterminous with the civil parish of the same name.