A place of worship  on the site of St Peters and St Marys’ dates back to at least 1254 or even to before the Domesday records. Prior to the 16th century there were 2 separate buildings, one called St Mary’s and one was St Peters & St Pauls.

St Marys was for Stowmarket, whilst St Peters and St Pauls was for Stowuplanders

In 1445 William Austyn of Thorney bequeathed 3s 4d in his will to the work of a new tower of the Blessed Mary of Stowe

In 1453 John Wetherad bequeathed 10s to the tower of {the church of St Mary

In 1480 John Clement bequeathed 3s 4d to ennoble the church of St Mary

 In 1491 John Key bequeathed 10 marks to the making of a new candlebeam

Extracts supplied by Neil Langridge 2024, from Building the Late Medieval Suffolk Parish Church by Simon Cotton (2019).