Northamptonshire abbreviated Northants.) is a ceremonial county in the East Midlands of England, bordered by Leicestershire, Rutland and Lincolnshire to the north; Cambridgeshire to the east; Bedfordshire and Buckinghamshire to the south; Oxfordshire to the south west; and Warwickshire to the west. Northampton is the largest settlement.
The county has an area of 2,364 km2 (913 sq mi) and had an estimated population of 813,682 in 2024. Northampton is in the centre of the county, and its other principal towns include Corby and Kettering in the north-east and Wellingborough in the centre. The east and south-west are rural.

The above comes from Wikipedia.
Mears Ashby is a village in the region which lies between the county town of Northampton and Wellingborough and was in the West ward of borough council of Wellingborough The history of the village can be found in ‘Parishes: Mears Ashby’, in A History of the County of Northampton: Volume 4, ed. L F Salzman (London, 1937), British History Online https://www.british-history.ac.uk/vch/northants/vol4/pp129-132 [accessed 13 June 2026]./
https://www.british-history.ac.uk/vch/northants/vol4/pp129-132