Moorfields was an open space, partly in the City of London, lying adjacent to – and outside – its northern wall, near the eponymous Moorgate.
It was known for its marshy conditions, the result of the defensive wall acting as a dam, impeding the flow of the River Walbrook and its tributaries.
The origins of Moorfields lie in a wider area, described by William Fitzstephen as the "great fen which washed against the northern wall of the City".
It is thought that this open space was not included within the City’s administrative boundaries until the 17th century, prior to that being part of the Manor of Finsbury.
[6] The Walbrook, known at this point as Deepditch and running on the line of modern Blomfield Street, seems to have formed the eastern boundary of Moorfields proper.
[10] The Moor place-name element usually refers to fen environments,[11] and the wet nature of the area persisted, though this was improved by a drainage scheme in 1572.
[12] In the 15th century the monasteries of Charterhouse and St Bartholomews diverted the headwaters of the Walbrook to their sites in the River Fleet catchment.
King Charles II of England encouraged the dispossessed to move on and leave London, but it is unknown how many newly impoverished and displaced persons instead settled in the Moorfields area.
His Moore Park factory remained in operation until 1793, when his daughter, Jane, and her husband, Joseph Foskett, sold the lease to another carpet manufacturer.