In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Whittle like this:
WHITTLE, a township in Shilbottle parish, Northumberland; 5 miles S of Alnwick. Acres, 545. Pop., 40. Houses, 7.
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 Whittle has changed, please see our redistricted information for the modern district of Alnwick. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Whittle and units named after it.
GB Historical GIS / University of Portsmouth, History of Whittle, in Alnwick and Northumberland | Map and description, A Vision of Britain through Time.
Date accessed: 30th May 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 "Whittle".