Essex on Wikipedia.

Abbess Roding, St. Edmund. From an old postcard (franked 1911) in Reg Dosell's Collection. Link.
Aldham, St. Margaret and St. Catherine. From an old postcard in Reg Dosell's Collection. Link.
Alresford, the ruins of St. Peter, burnt down in a fire in 1971. The churchyard is still in use. The church was replaced  - St. Andrew and St. Peter. TM 068 213. Both © Les Needham.
Arkesden, St. Mary the Virgin. Another view. TL 482 345. Both © Barry Mace. Link.

Barking, St. Margaret. A rather heavily processed old postcard, Bulman Collection. Link.
Barling Magna, All Saints. TQ9389. © Julieanne Savage.
Basildon.
Benfleet, Holy Family Church (R.C.). © Mark Summers. Link.
Blackmore, Priory Church of St. Lawrence. © Alan Wilson.
Bocking, St. Mary the Virgin. As can be seen from the church website, the tower finials have been reduced or removed since this postcard was published. From an old postcard, Geoff Watt's Collection. Link.
Borley, dedication unknown. © Mark Turbott.
Bowers Gifford, St. Margaret of Antioch. TQ 755 872. © Mark Summers. Two additional views 1, 2, both © William Metcalfe. Link. The Church at Gun Hill. Link. © Mark Summers.
Brentwood.
Bulphan, St. Mary the Virgin. Interior view. 177 TQ 636 858. Both © Dave Westrap. Two old postcard views, exterior (franked 1907) and interior (of approximately the same date), both from Dave Westrap's Collection. Link1. Link2. Zion Hall Interdenominational Chapel. 177 TQ 639 859. © Dave Westrap.
Burnham-on-Crouch, St. Mary the Virgin. © Bill McKenzie. Burnham Baptist Church (1904) on High Street. TQ 950 957. Another view, and the foundation stone. All © Steve Taylor. Link.
Buttsbury (near Ingatestone), St. Mary. Another view. Interior view. TQ 663 986. All © William Metcalfe. Link.

Canvey Island.
Chelmsford.
Chipping Ongar, St. Martin. Another view. Both © Bill McKenzie.
Churchend, on Foulness Island. Rebuilt in 1848. Much of the island is under the Ministry of Defense, so access is limited. TR 0093. © Julieanne Savage. Link.
Clacton-on-Sea, St. John the Baptist at Great Clacton. From an old postcard in Steve Bulman's Collection (franked, 1905). Link.
Colchester.
Coopersale, St. Alban. From an old postcard in Steve Bulman's Collection. Link.
Corringham, St. Mary the Virgin. © Mark Summers. Link.

Dedham, St. Mary the Virgin. The former U.R.C., now a craft centre (thanks to Les Needham for advising the former denomination). Both © Steve Bulman. Another view of St. Mary. © Judith Anderson.

East Horndon, All Saints, is now in the care of the Churches Conservation Trust, but still holds occasional services. The graveyard is still in use. Photo © Brian Thompson. Additional information kindly supplied by Linda Golding.
Eastwood, St. David. TQ 8289. © Julieanne Savage. Link.

Fairstead, St. Mary the Virgin and St. Peter. From an old postcard in Geoff Watt's Collection. Link.
Fobbing, St. Michael. © Mark Summers. The following are all © Jack Nicholson - another view, and another, the porch, Link.
Foxearth, St. Peter and St. Paul (C). Another view. TL 836 448. Both © Janice Tostevin. Link.
Frinton. Thanks to Dave Westrap for identifying this church as St. Mary the Virgin, and for providing the links at the end of the entry. From an old postcard, Geoff Watt's Collection. Previously in the "Unknown" section, John Bowdler's photo taken some years ago was identified by Janet Gimber and Simon Davies. Link1. Link2. Link3.
Fryerning, St. Mary the Virgin. © Alan Wilson. Link. Mill Green Gospel Hall, photographed in 1993. © Alan Taylor.

Grays, Bethel Full Gospel Church at South Stifford. © Alan Taylor.
Great Hallingbury, dedicated to St. Giles. 167 TL 512 196. © Robert Mather. An old postcard view, from Reg Dosell's Collection.
Great Wakering, St. Nicholas. TQ 9487. © Julieanne Savage.
Greensted, St. Andrew. Dating from 1060, it's the only surviving Saxon church, and supposedly the oldest wooden building anywhere. © Bill McKenzie. Another view. From an old postcard (franked 1906), Bulman Collection.

Hadleigh, St. James the Less. From an old postcard, Geoff Watt's Collection. Link.
Hadstock, St. Botolph. From an old postcard in Reg Dosell's Collection.
Hatfield Broad Oak, St. Mary the Virgin. Another view. Both from old postcards in Reg Dosell's Collection. Link.
High Ongar, St. Mary. © Alan Wilson.
Horndon-on-the-Hill, St. Peter and St. Paul. © Brian Thompson. Two views © Roger Heap, 1, 2. Link.
Hutton, All Saints. © Bill McKenzie.

Laindon, St. Nicholas. © Brian Thompson. An old postcard view, from Reg Dosell's Collection.
Lamarsh, Holy Innocents. From an old postcard in Reg Dosell's Collection, which was faded, and had to be heavily processed to improve the image quality. Link.
Langdon Hills.
Langford, St. Giles. Another view. Both © Steve Taylor. Link.
Lawford, St. Mary. The porch, and an interior view. All © John Bowdler. Link.
Leigh-on-Sea.
Little Wakering, All Saints. TQ 9388. © Julieanne Savage.

Maldon.
Manuden, St. Mary the Virgin. © Nadine Pedley. Link.
Mount Bures, St. John the Baptist. © Roger Heap.

Navestock, St. Thomas the Apostle. © Peter Hobday.
Noak Hill, St. Thomas. TQ 541 940. © Peter Hobday.
North Ockenon, St. Mary Magdalene. TQ 587 848. © Peter Hobday.
North Shoebury, St. Mary the Virgin. TQ 9286. © Julieanne Savage. An old postcard view, from Reg Dosell's Collection. Link.
North Stifford, St. Mary. © Mark Summers. Link.

Orsett, St. Giles & All Saints. © Brian Thompson.

Pentlow, St. George and St. Gregory. © Elizabeth Orbell. Link.
Pitsea, the remains of St. Michael. © Mark Summers.
Prittlewell, St. Mary the Virgin, has some fragments from as early as the 11th century, but is mostly 15th century. © Brian Thompson. Another view from an old postcard, Bulman Collection.

Radwinter, St. Mary the Virgin. From an old postcard, Bulman Collection. The postcard was badly faded, and has hence been heavily processed to recover as good an image as possible.
Rawreth, St. Nicholas, a re-build of 1882. © Brian Thompson.
Rayleigh.
Rivenhall, St. Mary and All Saints on Church Road. The tower. TL 828 178. Both © Steve Taylor. Link.
Roydon, St. Peter. From an old postcard in Reg Dosell's Collection. Link.

Saffron Walden, St. Mary the Virgin. From an old postcard (franked 1904), Bulman Collection. Link.
St. Osyth, the gatehouse of the Priory, now a private residence. From an old postcard, Bulman Collection. Link.
Shoeburyness, St. Andrew. From an old postcard, Geoff Watt's Collection. Link.
Silver End, St. Francis, on Boars Tye Road. Another view. TL 810 197. Link. St. Mary (R.C.) on Sheepcotes Lane. Another view. TL 810 200. Link. Silver End Congregational Church on Silver Street. Another view. TL 805 198. Link. All © Steve Taylor.
South Benfleet.
South Ockendon, St. Nicholas. TQ 594 829. © Neil Davies. Two other view, both © Jack Nicholson. 1, 2. Link1. Link2 (towards bottom of the page). Wesleyan Church (1847). © Jack Nicholson.
Southchurch, Holy Trinity. According to its web-site, the church was extended in the early years of the 20th century. The picture on this web-site would appear to date to before the modern works began. It's postmarked 1905. From an old postcard, Steve Bulman's Collection.
Southend-on-Sea, St. Laurence and All Saints at Eastwood. © Geoff Watt. Link.
Stanford-le-Hope, St. Margaret of Antioch, of Norman foundation, restored in Victorian times, it still retains much earlier stonework, and some fine carvings. Tombs and monuments of the Fetherston and Scratton families. © Brian Thompson.
Steeple, St. Lawrence and All Saints. From an old postcard in Reg Dosell's Collection.
Stock, All Saints. From an old postcard, Reg Dosell's Collection. Compare with the photo of bomb damage in WWII on this link.

Thaxted, St. John the Baptist, Our Lady and St. Laurence. From an old postcard in  Christopher Skottowe's Collection. Link.
Theydon Mount, St. Michael. TQ 492 992. © William Metcalfe. Link.
Thundersley.
Tillingham, St. Nicholas. TL 993 038. © Tony Preston.
Toppesfield, St. Margaret of Antioch. Wooden porch. TL 739 374. Both © Steve Taylor.

Vange, All Saints. © Mark Summers. Link.

Warley - see Brentwood.
Wennington, St. Mary & St. Peter. TQ 539 809. © Peter Hobday. Link.
West Bergholt, St. Mary Old Church. © Roger Heap.
West Hanningfield, St. Mary and St. Edward. Another view. TQ 735 998. Both © William Metcalfe. Link.
Westcliff on Sea, U.R.C. © Brian Thomson.
Witham, Rickstones Evangelical Church on Rickstones Road. TL 820 159. © Steve Taylor. Link.
Wivenhoe, St. Mary the Virgin. TM 039 215. © Les Needham. Link.
Wormingford, St. Andrew. © Roger Heap. Link.
Writtle, All Saints. Link. U.R.C. Both © Geoff Watt.