In the grounds of the old church is a memorial to Sir James Douglass, Lighthouse Engineer. He was the engineer for more a number lighthouses, including the fourth and current Eddystone Lighthouse, Souter, Hartland Point, Longships, Smalls and Southwold Lighthouse.
He died at his home of the Isle of Wight in 1898.
The memorial stone reads:
In this churchyard lies buried
Sir James Nicholas Douglass FRS
Re-Interred August 1913 St Petrox Dartmouth
As indicated at the foot of the memorial, he was later re-buried at St Petrox Church, Dartmouth at a family plot.