In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Breightmet like this:
BREIGHTMET, a township in Bolton-le-Moors parish Lancashire; 2 ½ miles E of Bolton. Acres, 970. Real property, £6,627; of which £1,504 are in mines. Pop., 1,562. Houses, 295. Cotton manufacture is carried on; and there is a church of 1855, a Wesleyan chapel, and an endowed school with £26 a year.
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Breightmet has changed, please see our redistricted information for the modern district of Bolton. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Breightmet and units named after it.
GB Historical GIS / University of Portsmouth, History of Breightmet, in Bolton and Lancashire | Map and description, A Vision of Britain through Time.
Date accessed: 19th June 2013
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Breightmet".