In the 11thc Munslow was included in Aston, which was held in 1066 by Almund. According to Domesday Book it was held by Roger of Montgomery, earl of Shrewsbury in 1068, when it had a priest. By c.1115, when Munslow had a rector, the tenant was Richard Banastre.
According to a list on display in the church, a rector named Stephen was recorded in 1125. The church was restored in 1868-70.