Hampshire, England » Southampton » Southampton (Parish of St Mary) Southampton (Parish of St Mary), Hampshire Location St Mary is one of five ancient ecclesiastical parishes within the old town of Southampton. Parish Church Parish Registers Adjacent (pre 1832) Parishes The ancient Parish of St Mary is bounded to the east by the River Itchen, with St Mary Extra on the opposite bank, by Southampton Water to the south, to the west by Holy Rood and St Lawrence with St John and to the north by South Stoneham Gleanings from Southampton (St Mary) Census Returns 1851 Census Southampton (St Mary)