The churchyard have seven gravestones that was discovered in the walls of the previous church . Six of them date from between the 9th and 11th centuries , and the seventh is from the 12th or 13th century . The doorway from the old church , dating from the 15th century , have been reused as an entrance to the churchyard . A carved stone human head , from the 12th century , have been inserted into the north wall of the churchyard . A war memorial in the shape of a Celtic cross remember those who died during the First and Second World Wars .