[4] St Mary's also has a monument to the officers and men of the Royal Navy submarine HMS P514, and especially its commander, Lieutenant W. A. Phillimore, whose parents lived at Swinbrook.

The Canadian ship therefore assumed the submarine to be an enemy vessel and rammed P514, sinking her with the loss of all hands.

In 1926, David Freeman-Mitford, 2nd Baron Redesdale had Swinbrook House built 1.5 miles (2.4 km) north of the village.

[6] There is a tablet in the church commemorating their only brother, Tom, killed in March 1945 in Burma.

[7] On 1 April 1932 the parish was abolished to form "Swinbrook & Widford", parts also went to Shilton and Asthal.