Cornwall on Wikipedia.

Altarnun, St. Nonna. Wesleyan Chapel. Both © Bill Henderson.

Biscovey, St. Mary the Virgin. SX 058 536. The former Ebenezer Bible Christian Chapel, built in 1842, and now a sports and social club, sits in a lane opposite Biscovey Road. SX 058 535. Both © Andrew Ross.
Bodmin.
Boscastle, St. Symphorian at Forrabury. © Roger Heap. An old postcard view from Dave Westrap's Collection. 190 SX 095 909. Link1. Link2.
Breage, St. Breaca. The font. Interior view. A remarkable wall-painting. All © Carole Sarvis. Link1. Link2.

Caerhays, St. Michael.  © Bill McKenzie. Link.
Cawsand, St. Andrew. Congregational Church. Another view. All © James Murray.
Come-to-Good, thatched Quaker Chapel. SW 813 403. © Derek Jordan. Photo is on an external web-site.
Constantine Bay, the ruins of St. Constantine's Church. From an old postcard (franked 1911), Bulman Collection. Link.
Crantock, St. Carantoc, from an old postcard. © Bulman Collection.
Cury, St. Corantine. © Bill McKenzie. Link.

Daymer Bay, St. Enodoc. This church has been buried beneath the sands in the past, so much so that the vicar is said to have had to enter the church via the skylight. © Charles Winpenny at http://www.cornwallcam.co.uk/. Anecdote courtesy of Rodney Hall. Another view. © Derek Jordan. Photo is on an external web-site. And a photo from Peter Wood.
Drakewalls, Cemetery Chapel. SX 425 705. © Andrew Ross.

Falmouth.
Fowey.

Gorran Haven, St. Just. From an old postcard, Geoff Watt's Collection. Link.
Gulval, St. Gudwal. From an old postcard (franked 1905), Bulman Collection. Link. Methodist Church. © David Gallimore.
Gunnislake.
Gwennap, St. Wenappa. © Carole Sarvis. Link.
Gwinear, St. Gwinear. Another view. Both © Carole Sarvis. Link.

Hayle, St. Elwyn. SW 559 375. St. Joseph (R.C.). SW 562 378. Both © Andrew Ross.
Helston, St. Michael. From an old postcard, Geoff Watt's Collection. Link.

Kenwyn, St. Kenwyn. From an old postcard (franked 1913 or 1918), Geoff Watt's Collection. Link.
Kilkhampton, St. James. From an old postcard, Geoff Watt's Collection. Link.

Landewednack, St. Lanty or St. Winwallow. From an old postcard, Geoff Watt's Collection. Link.
Landrake, St. Michael. Former Methodist Chapel (and adjoining school), now both private residences. The new Methodist Church. Interior view. All © James Murray.
Landulph, St. Leonard and St. Dilph. From an old postcard, Bulman Collection. Link.
Lanhydrock, St. Hydrock. © Derek Jordan. Photo is on an external web-site. Link.
Lanssalos, St. Ildierna. Link to external web-site.
Launceston, St. Mary Magdalene. From an old postcard, Bulman Collection.
Liskeard.
Looe.
Lostwithiel.

Marazion, All Saints. © Mark Summers. Link.
Mawgan-in-Meneage, St. Mawgan. © Charles Winpenny at http://www.cornwallcam.co.uk/.
Millbrook, All Saints. Methodist Church, formerly Wesleyan, dating from 1873. Link. Cemetery Chapel. All © James Murray.
Morwenstow, St. Morwenna and St. John the Baptist. SS 205 153. © Nick Hopton. Link.
Mousehole, Wesleyan Church. SW 468 261. © Andrew Ross.
Mullion, St. Mellanus. From an old postcard, Bulman Collection. Link.
Mylor Harbour, St. Mylor. Another view. Interior view. All © Carole Sarvis.

Newlyn.
Newquay, St. Michael the Archangel. © James Murray. Link.

Par.
Paul, St. Pol de Leon. SW 464 271. © Andrew Ross.  Link1. Link2.
Penzance.
Perranuthnoe, St. Michael and St. Pirran. © Carole Sarvis. Link.
Phillack, the Parish Church. SW 565 384. © Andrew Ross.
Porthilly, St. Michael. © Roger Heap.

Rame, St. Germanus. Another view. Interior view. All © James Murray.
Redruth, dedicated to St. Euny. © Charles Winpenny at http://www.cornwallcam.co.uk/.

St. Anthony-in-Meneage. © Charles Winpenny at http://www.cornwallcam.co.uk/.
St. Blazey, St. Blaize. SX 068 548. United Free Methodist Church (now flats). SX 069 546. Both © Andrew Ross.
St. Blazey Gate, Leek Seed Methodist Church at Doubletrees, built 1824, restored 1903. Another view. SX 060 537. Both © Andrew Ross.
St. Erney, St. Erney. © James Murray. Link.
St. Germans, St. Germanus, and the churchyard gate. Both © Andrew Ross. Another view. From an old postcard (franked 1907), Bulman Collection. Link1. Link2. Methodist Church, dating from 1903. © James Murray.
St. Germoe, dedicated to St. Germoe. From an old postcard, Bulman Collection.
St. Ives.
St. Just-in-Penwith, St. Just. © Bill McKenzie.
St. Just-in-Roseland, St. Justus. From an old postcard, Bulman Collection. Link.
St. Keverne, St. Keveran. From an old postcard, Graeme Harvey's Collection. Link.
St. Martin-by-Looe, St. Martin. © Andrew Ross.  Link1. Link2.
St. Mawgan, St. Mawgan-in-Pydar, © Roger Heap.
St. Michael's Mount, from an old engraving in Colin Water's Collection. Link.
St. Tudy, St. Tudius. © Derek Jordan.
Saltash, St. Stephen. Link. Wesley Methodist Church. Both © James Murray.
Sennen, St. Sennen. From an old postcard, Bulman Collection. A modern view. © Bill McKenzie. Link.
Sheviock, The Blessed Virgin Mary. Interior view. Both © James Murray. Link.

Tintagel, St. Merteriane. From an old postcard, Bulman Collection. Link.
Trebetherick, St. Enodoc. © Roger Heap.
Tregrehan, Methodist Chapel. A former Primitive Methodist Chapel, now a home. Both at SX 044 537, on opposite sides of the road. Appreciative thanks to the home owner for his permission to photograph the former chapel. Both © Andrew Ross.
Trevone, St. Saviour. © Bill McKenzie. Link.
Truro Cathedral. © Charles Winpenny at http://www.cornwallcam.co.uk/.
Tywardreath, St. Andrew the Apostle. SX 085 541. Link. Methodist Church, on Church St. SX 084 542. Both © Andrew Ross.

Veryan, St. Symphorian. © Derek Jordan. Link.

Wendron, dedicated to St. Wendron, St. Gwendron, or St. Wendrona. SW 678 311. © Steve Taylor. Link1. Link2.

Zennor, St. Senara. © Bill McKenzie. Link.