Location and coordinates are for the approximate centre of Thornhaugh within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Thornhaugh, par., Northamptonshire, 1 mile NW. of Wansford and 5 miles SE. of Stamford, 1706 ac., pop. 245.