In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Soothill like this:
SOOTHILL, a township, which is also a sub-district, in Dewsbury parish and district, W. R. Yorkshire; around Batley r. station, and 1½ mile N of Dewsbury. It includes Hanging-Heaton, Earls-Heaton, Chidswell, Crickenley, and Shawcross hamlets. Acres, 2,393. Real property, £13,921; of which £1,750 are in mines, and £52 in quarries. Pop. in 1851, 5,059; in 1861, 6,238. Houses, 1,290.
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 Soothill has changed, please see our redistricted information for the modern district of Kirklees. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Soothill and units named after it.
GB Historical GIS / University of Portsmouth, History of Soothill, in Kirklees and West Riding | Map and description, A Vision of Britain through Time.
Date accessed: 27th April 2015
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Soothill".