Prestwich-cum-Oldham was an ancient ecclesiastical parish of the hundred of Salford, within the historic county boundaries of Lancashire, England. With the Parish Church of St Mary the Virgin, Prestwich as its centre, this parish encompassed a total of ten townships, and within them, several smaller chapelries.
The Church of St Mary the Virgin, Prestwich was the parish church of Prestwich-cum-Oldham, used for baptisms, marriages and burials. It is one of the Grade I listed buildings in Greater Manchester.
The Salford Hundred was one of the subdivisions of the historic county of Lancashire in Northern England (see:Hundred. Its name alludes to its judicial centre being the township of Salford. It was also known as the Royal Manor of Salford and the Salford wapentake.
Notice "to the inhabitants of the Hundred of Salford", published by magistrates the day after the Peterloo Massacre