Wellingborough is a market town and civil parish in North Northamptonshire, England, 65 miles from London and 11 miles from Northampton, north of the River Nene. Originally named "Wendelingburgh", the Anglo-Saxon settlement is mentioned in the Domesday Book of 1086 as "Wendelburie". The town's market was g…Wellingborough is a market town and civil parish in North Northamptonshire, England, 65 miles from London and 11 miles from Northampton, north of the River Nene. Originally named "Wendelingburgh", the Anglo-Saxon settlement is mentioned in the Domesday Book of 1086 as "Wendelburie". The town's market was granted a royal charter in 1201 by King John. At the 2021 census, it had a population of 56,564. The built-up area also includes suburbs Wilby, Great Doddington, Little Irchester, Redhill Grange, Stanton Cross and Glenvale Park.