A to C

'A', unknown brickworks	'ABC' type 1	'ABC' type 2	'ABC' type 3
'ABC' type 4	'Abersychan'	'Abersychan Brick'	'Abersychan Brick Co'
'Accrington'	'Accrington-Nori'	'Alteryn Co Newport'	'A Tilney Cwmtylery'
'A VIC Ld'
'BB', Beaufort Brickworks, Ebbw Vale	'BB Co' type 1, Beaufort Brick Co, Ebbw Vale	'BB Co' type 2, Beaufort Brick Co, Ebbw Vale	'BB Co' type 4, Beaufort Brick Co, Ebbw Vale
'BBC' crude raised letters, Beaufort Brick Co, Ebbw Vale	'Beaufort' type 1, Ebbw Vale	'Beaufort' type 2, Ebbw Vale	'Beaufort' type 3, Ebbw Vale
'Beaufort Brick Co Ltd', Ebbw Vale	'Beaufort Brick Co' type 1, Ebbw Vale	'Beaufort Brick Co' type 2, Ebbw Vale	'Bishpool Brick Co', Newport, Mon
'Blaendare' type 1, Upper Race, Pontypool	'Blaendare' type 1, Upper Race, Pontypool	'Blaendare' type 2, Upper Race, Pontypool	'Blaendare' type 3, Upper Race, Pontypool
'Bowen Stourbridge'	'Brandon'	'Broadmoor Cinderford'	'Bryncethin'
'Bulwell Brick Coy', Notts	'Burgoyne PP'
'Burnaxe T279'	'Burnaxe'	'Burnaxe'
'CA' unknown brickworks	'Caerphilly', type 1	The blank reverse of the previous	'Caerphilly', type 2
'Cakemore'	'Callender Electric'	'Castle Brick Co Buckley'	'Castle Brick Co Buckley'
'Cattybrook Brick Co Limited Bristol', type 1	'Cattybrook Brick Co Limited Bristol', type 1	'Cattybrook Brick Co Limited Bristol', type 2	'CB'
'CBB'	'CBC'	'CBC'	'Clayton & Co Patent'
'Clyne Valley'	'Coedely'	'Cowan M'	'Crown Brick Works Aberdare'
'Cwmbran Brick Co Newport'	'Cwmbran Brick Co Newport'	'Cwmbran Brick Co Newport Mon'	'Cwmbran Brick Newport'
'Cwmbran Fireclay Co'	'Cwmbran Fireclay Co'	'Cynghordy'

D to G

'D' found at Sudbrook, Mon Unknown brickworks	'Darran Brick Works Risca' Darren Brickworks, Risca	'Darran Brick Works Risca' Darren Brickworks, Risca	'Darran Risca' Darren Brickworks, Risca
'Davies Brothers Aberbury Wrexham'	'Dennis Ruabon' type 1	'Dennis Ruabon' type 2	'Dykehead'
'E' probably from Parfitt's Upper Cwmbran brickworks	'Eastwoods 4 pressed', Eastwood, Notts	'E G Smith & Co Abertillery', Abertillery, Mon
'Ebbw Vale' single row, type 1	'Ebbw Vale' single row, type 2
'Ebbw Vale' type 2, narrow spacing	'Ebbw Vale' type 3, wide spacing	'Ebbw Vale' type 4, three hole	'Ebbw Vale' type 5, three hole
'Ebbw Vale' type 6, four hole	'Ebbw Vale' type 7, five hole	'Ebbw Vale' specials	'Ebbw Vale' specials
'EV', split brick	'EV', type 2, wide spacing	'EV', type 4, narrow spacing
'Flettons Limited'	'Flettons Limited 37'	'Flettons Limited 38'	'Frenchay Co'
'Garth Co Rhiwderin'	'Garth Co Rhiwderin'	'GKN', Type 1, Henllys, Cwmbran, Mon	'GKN', Type 2, Henllys, Cwmbran, Mon
'GKN Ltd', Henllys, Cwmbran, Mon	'GKN Ltd Henllys', Henllys, Cwmbran, Mon	'GKN DAHL'	'GKN DAHL 37'
'GP D 64'	'Graig Engineering'	'Graig Morriston'	'Graigddu SJ & Co Ld Nr Pontypool', Pontypool
'Gregory Abersychan'	'Gregory Abersychan'	'GWR' possibly made at Swindon	'GWR SR' for joint lines?

H to L

'H' Polruan, Cornwall	'H' probably Parfitt's	'H' probably Parfitt's
'Hall Stourbridge'	'Hamblet'	'Hanson Henllis', Cwmbran	'Hanson Henllis', Cwmbran
'Hanson Henllis', Cwmbran	'Hanson Henllis', Cwmbran	'Haunchwood Nuneaton'	'Haunchwood Nuneaton'
'HD' large imprint	'HD' large imprint	'HD' small probably Parfitt's	'HD' small probably Parfitt's
'Henllys', small imprint	'Henllys', large imprint	'H Parfit Cwmbran' with 1 'T'	'H Parfit Cwmbran' with 1 'T'
'H Parfit Cwmbran' with 1 'T'	'H Parfit Cwmbran' with 1 'T'	'H Parfitt Cwmbran' with 2 'T's	'H Parfitt Cwmbran' with 2 'T's
'H Parfitt Cwmbran' with 2 'T's	'H Parfitt Cwmbran' with 2 'T's	'H Parfitt Cwmbran' with 2 'T's	'H OO'
'J Burgoyne Pontypool', Little Mill, Pontypool		'J Lancaster & Co' type 1, Lancaster's Collieries	'J Lancaster & Co' type 1, Lancaster's Collieries
'J Lancaster & Co' type 2, Lancaster's Collieries	'J Lancaster & Co' type 3, Lancaster's Collieries	'J Lancaster & Co' type 3, Lancaster's Collieries	'J Lancaster & Co' type 4, Lancaster's Collieries
'JCE' type 1	'JCE' type 2	'JCE' on a small brick	'JCE 2 7/8'
'JCE' type 1, '3in' on reverse, J.C.Edwards, Ruabon	'3in' on reverse of type 1, J.C.Edwards, Ruabon	'J C Edwards Ruabon'	'J C Edwards Ruabon'
'J Jones Risca', Jayne Jones, Darren, Risca	'Jones Darran No 1 Risca', type 1, Darren, Risca	'Jones Darran No 1 Risca', type 2, Darren, Risca	'Jones Darran No 1 Risca', type 2, Darren, Risca
'Jones Darran No 1 Risca', type 2, Darren, Risca	'Jones Darran Risca' type 1, Darren, Risca	'Jones Darran Risca' type 1, Darren, Risca	'Jones Darran Risca' type 1, Darren, Risca
'Jones Darran Risca' type 2, Darren, Risca	'Jones Risca', type 1, Darren, Risca	'Jones Risca', type 2, Darren, Risca	'Jones Risca', type 2, Darren, Risca
'Jones Risca', type 2, double frog side 1, Darren, Risca	'Jones Risca', type 2, double frog side 2, Darren, Risca	'J&W Stone Blaina', Blaina	'Joseph Hamblet West Bromwich', Coping stone from the W. Mids
'The Ketley Brick Co Ld (B B Brand) Brierley Hill'	'Killay'	'King Brothers Stourbridge', type 1	'King Brothers Stourbridge', type 2
'KP', from Kiveton Park
'LB 12', London Brick Co, Beds	'LBC Class 4', London Brick Co, Beds	'LBC Phorpres', London Brick Co, Beds	'LBC Phorpres', London Brick Co, Beds
'Linby', from Linby, Notts		'Little Mill', Little Mill brickworks, Pontypool	'Little Mill Brick Co Pontypool', Little Mill brickworks, Pontypool
'Little Mill Brick Pontypool', type 1, Little Mill, Pontypool	'Little Mill Brick Pontypool', type 2, Little Mill, Pontypool	'Little Mill Brick Pontypool', type 3	'Little Mill Pontypool'
'Llay Hall Wrexham'	'L&NWR Co'	'London Brick'

M to P

'Maesycwmmer'	'Marston'	'Marston Marston'	'Malago Colliery and Brickworks'
'Monk & Newall Ruabon'	'Moody Clydach'
'N&J Risca', Risca brickworks, Darren	'NCB Onllwyn' type 1	'NCB Onllwyn' type 2	'NCB Tredegar', Tredegar Collieries brickworks
'NCB Tredegar', Tredegar Collieries brickworks	'National Star Newport L'	'National Star Newport M'	'National Star Newport RC'
'National Star Newport'	'Nettle'	'Northern'
'Oak Brick Co Pontypool' type 1, Pontnewynydd, Pontypool	'Oak Brick Co Pontypool' type 2, Pontnewynydd, Pontypool	'Oak' type 1, Pontnewynydd, Pontypool	'Oak' type 2, Pontnewynydd, Pontypool
'Owens Pentyrch'
'PD Co Aberaman', Powell Dyffryn, Aberaman	'Phorpres 4000', London Brick Co, Beds	Phorpres, found in Gibraltar, London Brick Co, Beds	Half a 'Daniel Platt & Sons' tile, Stoke-on-Trent
'Pontypool Brick Co' type 1, Blaendare, Pontypool	'Pontypool Brick Co' type 2 Blaendare brickworks, Pontypool	'Pontypool Brick Co Ltd' type 1, Blaendare, Pontypool	'Pontypool Brick Co Ltd' type 2, Blaendare, Pontypool
Porthgain Brickworks side 1	Porthgain Brickworks side 2	Porth Wen Brickworks
'PRC' from Princess Royal Colliery	'Pratt &' what?	'Press Hard' just a snippet	'Press Hard', the full story

R to Z and beyond

'Randlay Gauged Salop'	'Rockingham', with 44 letters	'Rogerstone Brick Co'	'RTBL32'
'Ruabon RB&TC Co Ltd Made in Wales'	'Ruabon Brick & Terra Cotta Co Ld'	'Ruby Brick Co Ynysddu'	'Ruby Brick Co Ynysddu'
'Rudry' type 1	'Rudry' type 2	'Rufford', type 1	'Rufford', type 2
'Russell Risca'
'SJ Graigddu British Made', Cwmnantddu, Pontypool	'SJ Risca British Made' type 1, Dan-y-graig, Risca	'SJ Risca British Made' type 2, Dan-y-graig, Risca	'SJ & Co Ltd Risca', Dan-y-graig brickworks, Risca
'SJ Risca', half imprint Dan-y-graig brickworks, Risca	'SJ Risca', partial imprint, Dan-y-graig brickworks, Risca
'South Buckley Co Via Chester'	'South Rhondda'	'Southwater N'	'Southwater' type 2
'Southwater' type 3, Southwater, Horsham, Sussex		'Southwood', Dan-y-graig, Risca	'Southwood Jones Risca', Dan-y-graig, Risca
'Stafford C & I Co Ld'	'St Julians Newport', type 1	'St Julians Newport', type 2
'Star' type 1	'Star' type 2	'Star Brick Co' type 1	'Star Brick Co' type 2
'Star Brick Co' type 3, Part of the Star empire	'Star Brick Co' type 4, Part of the Star empire	'Star Brick Co Newport Mon', Malpas brickworks, Newport	'Star Brick Co Newport Mon', Malpas brickworks, Newport
'Star Caerleon' type 1	'Star Caerleon' type 2	'Star Cwmbran'	'Star Cwmbran'
'Star Eng', Engineering or England?	'* Star Newport *' type 1	'Star Newport' type 2a	'Star Newport' type 2b
'Star Newport' type 3	'Star Newport' type 4	'Star Newport' type 5
'Stonehouse Brick & Tile Co Ld'	'Stonehouse Glos'	'Stonehouse Brick & Tile Co Ltd'	'Supermag'
'Stourbridge'	'Stourbridge'	'Stourbridge'	'53B Stourbridge'
'Thistle'	'Thos Rees Furnace Blwm'	'Tillery' type 1	'Tillery' type 2
'Tillery' type 3	'Tillery' type 4	'Tillery' type 5	'Tondu', from Tondu brickworks
'Tredegar' type 1 pre-NCB	'Tredegar' type 2 pre-NCB	'Tredegar', 'Pat Appd For'	'Tredegar', 'Pat Appd For'
'Tredegar', 'Pat Appd For'	'Tredegar', 'Pat Appd For'	'Tredegar', 'Pat No 357888'	'Tunnadine', Malpas brickworks
'TW Co (Ltd)', unknown brickworks	'TW Co (Ltd)', unknown brickworks
'V', unknown brickworks	'VC', unknown brickworks
'W B & C Co Caerphilly'	'WBI 1946 Ltd'	'Wemyss & Co Ltd Mitcheldean'	'Whitehead Cwmbran' type 1
'Whitehead Cwmbran' type 2	'Whitehead Cwmbran' type 3	'Whitehead Cwmbran' type 4	'Whitehead Cwmbran' type 5
'Whitehead' type 1	'Whitehead' type 2	'Wilderness Micheldean'	'Woodsome'
'W Thomas & Co Wellington'	'Wyndham & Phillips Ruabon'
'Ynysddu Brick Co Ynysddu'	'Ynysddu Brick Co Ynysddu'	'Ynysddu Brick Works Ynysddu'	'Ynysddu Brick Works Ynysddu'
'Ynysddu Brick and Tile Ynysddu'
'13+', Unknown brickworks	'15', Unknown brickworks	'15', Unknown brickworks	'2', Unknown brickworks
'3 ⅛', J.C.Edwards, Ruabon	'3x2', possibly from 'Cowan'	'39', found at Varteg	Illegible imprint

Acknowledgments, sources and further reading.

The 'Old Bricks' website is the best source of info on bricks and brickworks in the UK :- Old Bricks - history at your feet

For very good coverage of Scottish bricks and quite a bit about other places too :- Scottishbrickhistory.co.uk

Martyn Feltwell has two very good sites here :- East Midlands Named Bricks and UK Named Bricks

There is a specialist society for brick history :- britishbricksoc.co.uk

There's also a 'Facebook' group for bricks and brickworks :- Facebook 'Bricks and Brickworks Past' group