Treharris in the parish of Merthyr Tydfil


"TREHARRIS is a large modern village and township, formed into an ecclesiastical parish by Order in Council, May 22nd, 1900, from the parishes of Merthyr Tydfil and Gelligaer: the village stands on an elevated site above the river Taff, with a station on the Great Western railway (Pontypool and Neath station) and another at Quaker’s Yard junction, 1 mile distant: it is 176 miles from London, 7½ miles south-east of Merthyr Tydfil, 6 north of Pontypridd and 7½ miles southeast of Aberdare, in the county borough of Merthyr Tydfil. The place is lighted with gas, supplied by the Quaker's Yard Gas Company: there is also h? a balancing reservoir belonging to the Cardiff Corporatation Water Works. The church of St. Matthias, erected in 1896, at a cost of £3500, on a site given by L. Lambourne, is a building of stone in the Gothic style  ... and will seat 365 persons. The living is a vicarage, yearly value £32O, in the gift Bishop of Llandaff and the Board of Patronage,  ... St, Mary’s chapel of ease, TRELEWIS, erected in 1886-7, at a cost £1100, is a building of stone,... it will seat 250. There are several Dissenting chapels.  The County Police Station, in Edward street, erected in 1885, affords quarters for a superintendent and 14? constables, and the Borough Police Station, in Perr? street, for a sergeant and 4 constables. The Public Hall and Institute, ... was built in 1892, at a cost of £3300, and has gallery and a stage, cloak rooms and dressing room the building also includes a reading room, library recreation and committee rooms, and a music hall. The library and reading rooms are supported by contributions deducted monthly from the workmen's wages: the library contains about 2,500 volumes. The Free Library and Reading Rooms, presented by the late Andrew Carnegie? esq. (d. 1919), in Perrott street, were erected in 1909?, at a cost of £2500: ... The cemetery of 5 acres belonging to the Merthyr Tydfil Corporation was opened in 1888, and is near Quaker's Yard railway station.  Coal mining is almost the sole industry: the colliery pit ? here, which is being worked by the Ocean Coal Co. Limited, is said to be the deepest in South Wales, being 765 yards.in depth. Glyn Bargoed House is the residence of Major Hubert Vere Leigh J.P. The population in 1911 was 7,157." [?s indicate poor image quality] [From  Kelly's South Wales Directory 1923  (ArchiveCDBooks)  - transcribed by Gareth Hicks]


Church History

Various items - on the People's Collection Wales site

  • Bethel Chapel, Treharris
  • Tabernacle Chapel, Treharris
  • Brynhyfryd Chapel, Treharris
  • Mount Pleasant Chapel, Treharris

Church Records

For full and up-to-date details of their holdings see the sites of Glamorgan Record Office and/or West Glamorgan Archives

Non Conformist Registers Deposited
Chapel Baptisms Marriages Burials OS Map Ref Deposited
Brynhyfryd, Baptist - 1945-1966 - ST 09739683 GRO
English Wesleyan - 1978-1985 - ST 09749697 GRO
Saron, Wesleyan 1837-1906 - - ST 09749697 NLW
Saron, Wesleyan 1906-1933 - - ST 09749697 WGRO

GRO - Glamorgan Record Office, Cardiff
NLW - National Library of Wales, Aberystwyth
WGRO - West Glamorgan Record Office, Swansea

Modern Parishes & Chapels of Ease :-


Description & Travel

Treharris on Alan George's site

Treharris GWR Station - on Alan George's site

Conservation Areas in Merthyr Tydfil, Cwmfelin, Cyfarthfa Park, Dowlais, Morgantown, Thomastown, Treharris

You can see pictures of Treharris in the parish of Merthyr Tydfil which are provided by:




Historical Geography

You can see the administrative areas in which Treharris in the parish of Merthyr Tydfil has been placed at times in the past. Select one to see a link to a map of that particular area.



Various items - on the People's Collection Wales site

  • Perrott Street, Treharris c1910 
  • Procession Mayor's Sunday Treharris 15 November 1908


You can see maps centred on OS grid reference ST095971 (Lat/Lon: 51.665364, -3.309922), Treharris in the parish of Merthyr Tydfil which are provided by:



Details of extant records on Archives Network Wales for the following;

  • Deep Navigation Colliery       "Account Book 1940"        
    "Deep Navigation Colliery was situated near Treharris in the Taff Bargoed Valley. In 1878 two shafts were sunk at the site which were, at the time, the deepest pits in the south Wales coalfield. During this period the mine was called Harris' Navigation Colliery after the name of the principal shareholder, F.W. Harris. The same man also gave his name to the neighbouring village of Treharris. In 1893, the Colliery was purchased by the Ocean Coal Co. Ltd. who changed its name to Deep Navigation Colliery. The Colliery produced high quality steam coal which was greatly in demand notably by Cunard Steamlines......................................."  
  • National Union of Mineworkers (South Wales Area): Treharris/Deep Navigation Lodge           "Minute Books, 1946-1987.Financial Records, 1943-1983 including account books 1943-1983, income and expenditure analysis book 1958-1975, workmen's local levy account book 1944-1967, summary of accounts 1950-1952, copy of NUM South Wales Area statement of income and expenditure and balance sheets 1955. Administrative Records, 1925-1983 including record of re-assessment of pneumoconiosis cases 1948-1984, compensation administration expenses book 1966-1982, miscellaneous correspondence and reports 1946-1971, desk diary 1983, members transfer ticket counterfoil book 1925-1970, Eisteddfod programmes 1950-1956 and diploma for Nat Edwards in recognition of his services to the Ocean Combine Committee 1946."

Various items - on the People's Collection Wales site

  • Deep Navigation Colliery, Treharris, Merthyr, C. 1985.
  • Banner of the Treharris Lodge of the National Union of Mineworkers, c. 1954
  • Banner of the Deep Navigation Lodge, of the National Union of Mineworkers, Treharris, 1982 [front face]
  • Machinery at Ocean Deep Colliery, Treharris
  • Shaft at Ocean Deep Colliery, Treharris
  • Ocean Deep Colliery, Treharris, 1915


Details of extant records on Archives Network Wales for the following;

  • Treharris Secondary school records             " ........... comprising of log book, 1957-1967; admissions register, 1957-1967"

Social Life & Customs

Edwardsville Baths, public swimming pool, Treharris - on the People's Collection Wales site