Devon on Wikipedia.

Abbotskerswell, St. Mary. From an old postcard in Reg Dosell's Collection. Link.
All Saints, dedicated to All Saints. © Julie Baker.
Ashburton, St. Andrew. Previously in the "unidentified" section as a postcard with no clues whatsoever. Thanks to Janet Gimber for identifying this church. From an old postcard, Bulman Collection. Link.
Aveton Gifford, St. Andrew. Interior view. Both © James Murray. Link.
Awliscombe, St. Michael & All Angels. From an old postcard, Bulman Collection.
Axminster.

Beer, St. Michael. Congregational Church. Both © Graeme Harvey.
Belstone, St. Mary the Virgin. From an old postcard in Reg Dosell's Collection. Link.
Berry Pomeroy, St. Mary. Interior view. Both © John Hawkins. Link.
Bicton Park, St. Mary. Another view. Interior view. All © Alan Blacklock. Link.
Bideford, St. Mary. From an old postcard, Bulman Collection. Link.
Bigbury, St. Lawrence. Another view. Interior view. All © James Murray.
Bishopsteighton, St. John the Baptist. SX 911 735. © Andrew Ross.
Bovey Tracey, St. Peter, St. Paul and St. Thomas of Canterbury. Interior view. Both © John Hawkins. Link.
Branscombe, St. Winifred, interior view, the altar and font. All from old postcards in Christopher Skottowe's Collection. Link1. Link2.
Brixham, Baptist Church, dated 1895. Fore Street Methodist Church. Both © James Murray.
Brixton, St. Mary. © Peter Wood. Link.
Broadhempston, St. Peter and St. Paul. Interior view. Both © John Hawkins.
Brushford, St. Mary the Virgin (K). SS 677 077. © Brad Rogers (2010). Link.
Buckfast Abbey, from an old postcard © Bulman Collection. This postcard, from Reg Dosell's Collection must pre-date the previous one - note the lack pinnacles on the tower. A modern view. SX 742 673. © Andrew Ross. Methodist Chapel. SX 742 673. © Andrew Ross. Another view, and an interior shot. Both © James Murray. Note that although the sign on the side of the building says "Buckfast Methodist Chapel", the sign in the ground just says "Buckfast Chapel", and church is used by Methodists and Anglicans.
Buckfastleigh.
Budleigh Salterton, St. Peter. Temple Methodist Church. Both © Graeme Harvey.

Chagford, St. Michael the Archangel, well-hidden by trees. Another view, the tower. Link. Gospel Church. All © James Murray (2010).
Chawleigh, St. James. SS 711 126. © Andrew Ross. Link.
Chittlehampton, St. Hieritha. Can you identify the small church to its left? From an old postcard in Reg Dosell's collection. Thanks to Janet Gimber for advising that the "church" next door is in fact the CoE primary school. Link.
Chudleigh, St. Martin & St. Mary. From an old postcard, Bulman Collection. An un-posted postcard, this one provided no clues at all, and had languished in the Unknown section for several years. Janet Gimber has identified it as Chudleigh church, and provided this link to a photo taken from a similar angle. For additional proof, see Google Earth for the relationship between the church and the field walls. From Steve Bulman's Collection.
Clovelly. This is probably All Saints - can you confirm?. From an old postcard, Bulman Collection.
Clyst St. George, St. George. From an old postcard in Reg Dosell's collection. Link.
Cockington, St. George & St. Mary. From an old postcard, Bulman Collection.
Cockwood, a chapel on Church Road, has links with Cofton (see below), and St. Mary in Dawlish. SX 975 806. © Andrew Ross.
Cofton, St. Mary, on Church Road. SX 968 802. © Andrew Ross.
Collaton St. Mary, St. Mary. From an old postcard (franked 1905), Bulman Collection. Link.
Colyford, St. Michael. SY 251 925. © Julie Baker.
Colyton, St. Andrew. From an old postcard (franked 1904), Bulman Collection. A modern view. SY 246 940. © Julie Baker. Link.
Combeinteignhead, All Saints. SX 902 715. © Andrew Ross.
Cornwood, St. Michael & All Angels. SX 604 594. © Peter Wood.
Crediton.
Culmstock, All Saints. Near the top of the tower can be seen a yew tree, known to be at least 200 years old. ST 103 135. Link1. Link2. Methodist Church. ST 101 138. Both © Andrew Ross.

Dalwood, St. Peter. ST 247 005. © Julie Baker.
Dartington, St. Mary, built in 1880. SX 785 626. A ruined church, which was succeeded by St. Mary. SX 797 626. Link. Both © Andrew Ross.
Dartmouth.
Dawlish.
Denbury, St. Mary the Virgin. From an old postcard, Geoff Watt's Collection. Link.
Diptford, St. Mary. Another view. Interior view. All © James Murray. Link.
Dunstone, the Methodist Church, which dates from 1833. Another view. Both © James Murray.
Dunterton, All Saints. Previously in the "Unknown" section, Gerry Porter wanted this church in south-west England identified. Taken in 1998, it has distinctive large pinnacles, and looked to me to be in the Cornish tradition. Janet Gimber identified it, and to salve my pride, explained that it was almost on the border with Cornwall! © Gerry Porter.

East Ogwell, St. Bartholomew. Another view. Both © Jill Bennett.
Eggesford Barton, All Saints. SS 686 111. This church is on Andrew's "must see" list, for anyone who is visiting Devon. © Andrew Ross. Link.
Ermington, St. Peter & St. Paul. © Peter Wood. An old postcard view, from Reg Dosell's Collection. Link.
Exeter.
Exminster.
Exmouth.

Farway, St. Michael and All Angels. SY 172 964. Methodist Chapel. SY 186 953. Both © Julie Baker.

Galmpton, Holy Trinity. Another view. Both © James Murray.

Haccombe, St. Blaise. Interior view. Both © John Hawkins. Link.
Harpford, St. Gregory the Great. From an old postcard in Reg Dosell's Collection.
Hawkchurch, St. John the Baptist. The tower. ST 343 004. Both © Julie Baker.
Holbeton, All Saints. 202 SX 613 501. © Dave Westrap. Link1. Link2.
Holcombe, the difficult to photograph St. George, on Holcombe Rd. SX 952 749. © Andrew Ross.
Holne, St. Mary the Virgin. Another view. Both © James Murray. Link.
Holsworthy, St. Peter and St. Paul, showing lightning damage (probably from the strike in 1914 - which is mentioned in the link). From an old postcard in Reg Dosell's Collection.
Honiton.
Hope Cove, St. Clement. © James Murray.
Horrabridge, St. John the Baptist. From an old postcard in Reg Dosell's Collection. Link.
Huccaby (near Hexworthy), St. Raphael. Interior view. Originally built as a church and school, some of the old school desks are still in use as pews. According to this link, the dedication is unique in Britain. Both © James Murray.
Huish, St. James. From an old postcard in Reg Dosell's Collection.

Ide, St. Ida. From an old postcard in Reg Dosell's Collection.
Ilfracombe, St. Philip and St. James. From an old postcard, Bulman Collection.
Ipplepen, St. Andrew. Interior view. Both © John Hawkins. Link.

Kenton, All Saints. SX 958 833. © Andrew Ross.
Kingsbridge, St. Edmund King and Martyr. Interior view. The Lady Chapel. All © James Murray. An old postcard view, from Reg Dosell's Collection. Link. Sacred Heart of Our Lady of Compassion (R.C.). Interior view. Side altar. All © James Murray. Evangelical Church. © James Murray. Link.

Lifton, St. Mary the Virgin. Another view. Both from old postcards in Reg Dosell's Collection. Link.
Littleham, St. Margaret and St. Andrew. From an old postcard, Bulman Collection. A modern view. © Graeme Harvey. Link.
Lustleigh, St. John the Baptist. From an old postcard, Bulman Collection.
Lympstone, Nativity of the Blessed Virgin Mary. SX 993 842. Methodist Church (built as Primitive Methodist). SX 989 840. Both © Andrew Ross.

Malborough, All Saints. Another view. Interior view. Baptist Church. All © James Murray.
Meavy, St. Peter. Interior view. Both © James Murray.
Milber, St. Luke. Interior view. Both © John Hawkins. Link.
Modbury, St. George. SX 656 516. © Peter Wood. Another view. Interior view. Both © James Murray. An old postcard view, from Reg Dosell's Collection. Link.
Monkton, St. Mary Magdalene. © Bill Henderson.
Moretonhampstead, St. Andrew. From an old postcard, Bulman Collection.
Mortehoe, St. Mary. From an old postcard, Bulman Collection.
Musbury, St. Michael. Drake monument. SY 275 945. Both © Julie Baker. Link.

Newton Abbott.
Newton Ferrers, Holy Cross. SX 550 481. © Dave Westrap. Another view, two interior views - 1, 2, and the Chapel of the Beatitudes (or Lady Chapel), all © James Murray (2010), who advises that the cross came from Oberammergau, though the circumstances are apparently unknown. Link1. Link2.
Newton Poppleford, St. Luke. © Andrew Johnston.
Newton St. Cyres, St. Cyres & St. Julitta. From an old postcard (franked 1905), Bulman Collection.
Northleigh, St. Giles. SY 195 958. © Julie Baker.
Northlew, St. Thomas Becket. From an old postcard in Reg Dosell's Collection. Link.
Noss Mayo, St. Peter (aka Revelstoke church, after Lord Revelstoke, who built the present church). 201 SX 550 477. © Dave Westrap. Two further views - 1, 2. In the latter photo can also be seen the church at Newton Ferrers. See also Stoke Beach (below). Both © James Murray (2010). Link1. Link2. Link3.

Okehampton.
Otterton, St. Michael. Another view. Both © Graeme Harvey.
Ottery St. Mary.

Paignton.
Parracombe, St. Petrock. From an old postcard, Bulman Collection. Link.
Pilton, St. Mary. From an old postcard, Bulman Collection.
Plymouth.
Plympton, St. Maurice. From an old postcards, Geoff Watt's Collection. Link. St. Mary. From an old postcard (franked 1905), Steve Bulman's Collection. A modern view. © James Murray. Link.
Plymstock, St. Mary & All Saints. SX 517 530. © Peter Wood. Link.
Poundsgate, Methodist Church. © James Murray.
Powderham, St. Clement Bishop and Martyr. © Andrew Ross.
Prescott, Baptist Church. ST 091 143. © Andrew Ross.
Princetown, St. Michael and All Angels (closed). The One at the Back Methodist Anglican Ecumenical Partnership (United Church). Both © Alan Blacklock. Another view of the United Church. © James Murray (2010).

Ringmore, St. Nicholas. SX 924 722. © Andrew Ross.

St. Anne's Chapel, the Old Chapel, now a private residence. © James Murray.
Salcombe, Holy Trinity. © James Murray.
Shaldon.
Sheepstor, St. Leonard. The leftmost tomb within the railings contains James Brooke, the "White Rajah of Sarawak". More about him, and the church, on the link. © James Murray.
Shobrooke, St. Swithin. From an old postcard (franked 1905), Bulman Collection.
Shute, St. Michael. Another view. SY 252 974. Both © Julie Baker. Link.
Sidmouth.
South Milton, All Saints. Interior view. Former Wesleyan Chapel, now a private residence. All © James Murray.
South Molton, St. Mary Magdalen. This photo is taken from the better of a pair of stereo photos dating from about 1860-1880. From Alan Finn's Collection.
Southleigh, St. Lawrence. Another view. SY 204 934. Both © Julie Baker.
Starcross, St. Paul. SX 976 815. © Andrew Ross.
Stoke, St. Nectan. Previously in the "Unknown" section, thanks to Janet Gimber for identifying this church. From an old postcard, Bulman Collection. Link1. Link2.
Stoke Beach, St. Peter the Poor Fisherman. Now partly ruinous, this was the original church for Revelstoke Parish. It fell into disuse when the church at Noss Mayo was built in the 19th century. Now cared for by the Churches Conservation Trust. Another view. Both © Jennifer Murray (2010). Link.

Tavistock, St. Eustchius. © Graeme Harvey. Link.
Teignmouth.
Throwleigh, St. Mary the Virgin. SO 757 219. © Peter Wood.
Thurlestone, All Saints. From an old postcard, Bulman Collection. Modern view. Interior view (the main aisle). Side aisle. All photos © James Murray.
Topsham.
Totnes.
Torquay.

Upottery, St. Mary the Virgin. From an old postcard in Reg Dosell's Collection.

Westleigh, St. Peter. From an old postcard in Reg Dosell's Collection. Link.
Whimple, St. Mary. SY 044 972. © Andrew Ross.
Widecombe-in-the-Moor, St. Pancras. Another view. Interior view. Side-altar. All © James Murray. And an old postcard view, from Reg Dosell's Collection. Link.
Wolborough, St. Mary. SX 857 702. © Andrew Ross. Another view. Interior view. Both © John Hawkins. Newton Abbot Cemetery Chapel, off Old Totnes Rd. SX 852 701. © Andrew Ross.

Yealmpton, St. Bartholomew. 202 SX 577 517. Link1. Link2. Community Methodist Church. 202 SX 580 514. Link1. Link2. Both © Dave Westrap.
Yelverton, St. Paul. Holy Cross (R.C.). Rock Methodist Church. All © James Murray.