The Norman nave is built in St Mary's Church Prittlewell which greatly enlarges the church.

Leigh recorded in the Domesday Book as Legra, There were 5 borders (peasants) who probably made their livings by ferrying goods to, from and between ships moored in the estuary, and ferrying passengers up and down the coast. Leigh was a ship buildings and trading port.

St Mary's Church Prittlewell is also mentioned in the Domesday Book.