The architect was Arthur Grove and a Portland stone tablet by Eric Gill, dated 1910, records the restoration.
[1] The Monmouthshire author and artist Fred Hando recorded that the churchyard held the grave of Eleanor Isabella Gill, only child of Sir John Franklin, the Arctic explorer.
[1] The interior contains a Roman grave-slab, described by the architectural historian John Newman as, "splendidly lettered and well-preserved".
[3] It commemorates Julius Julianus, a soldier with the Second Augustan Legion based at Isca Augusta, now Caerleon.
[3] In his Journeys in Gwent, published in 1951, Hando recalled that, "For half a millennium the country-folk of Tredunnock have worshipped in their lovely brown church".