Location and coordinates are for the approximate centre of Southwick within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Southwick, par., Northamptonshire, 2½ miles NW. of Oundle, 1320 ac., pop. 262; contains Southwick Hall, seat.