The story
Named after a colliery belonging to the Percy family, "Main" referring to what was called the main seam (of coal).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A suburban village in the Metropolitan Borough of North Tyneside, Tyne and Wear, England (OS grid ref NZ3367). Full definition →
Named after a colliery belonging to the Percy family, "Main" referring to what was called the main seam (of coal).
Etymology from Wiktionary, CC BY-SA 4.0.