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Help and advice for Treharris in the parish of Merthyr Tydfil

If you have found a problem on this page then please report it on the following form. We will then do our best to fix it. If you are wanting advice then the best place to ask is on the area's specific email lists. All the information that we have is in the web pages, so please do not ask us to supply something that is not there. We are not able to offer a research service.

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Treharris in the parish of Merthyr Tydfil

You can also perform a more selective search for churches in the Treharris area or see them printed on a map.

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 and Travel

Treharris on Alan George's site

Treharris GWR Station - on Alan George's site

You can see pictures of Treharris which are provided by:

Historical Geography

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

Ask for a calculation of the distance from Treharris to another place.


You can see maps centred on OS grid reference ST095971 (Lat/Lon: 51.665320, -3.309964), Treharris 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."


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"