In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Welsh Whittle like this:
WHITTLE (Welsh), a township in Standish parish, Lancashire; 3¼ miles SW of Chorley. Acres, 594. Real property, £1,915; of which £900 are in mines. Pop., 148. Houses, 29.
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 Welsh Whittle has changed, please see our redistricted information for the modern district of Chorley. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Welsh Whittle and units named after it.
GB Historical GIS / University of Portsmouth, History of Welsh Whittle, in Chorley and Lancashire | Map and description, A Vision of Britain through Time.
Date accessed: 08th February 2016
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Welsh Whittle".