Available Themes

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• Total Population 1801 to 1961: Population grew from 7,705 in 1801 to 59,039 in 1961.
• Occupational Structure in 1831: Out of 6,528 males aged 20 and over, 3,418 were Labourers (non-agricultural).
• Occupational Structure in 1881:

Here we are presenting statistics for a historical unit, which may have changed its boundaries significantly during the period covered.

Alternative names

The following alternative names exist:

Name	Status	Language	Start	End	Authority
MERTHYR TUDFUL	Preferred	English			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 157.
MERTHYR TIDVIL	Alternate	English			1831 Census of Great Britain, Table [1], 'Population Abstract'.
MERTHYR TYDFIL	Alternate	English			1851 Census of Great Britain, Table [1], 'Population Abstract'.

Unit associations

This unit was associated with the following other units:

Nature of association	Other unit involved	Type of unit	Authority
was succeeded by	ABERCANNAID EP	Ecclesiastical Parish	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.

Unit history

This unit was part of the following units:

Name	Type	Start	End	Authority
GLAMORGAN	Ancient County			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 157.
MERTHYR TIDVIL RegD/PLU	Poor Law Union/Reg. District			1911 Census of England and Wales, Table 5, 'Registration Counties, Districts and Sub-districts with their constituent civil parishes. - Urban or Rural District in which each parish is situated; Area; families or separate occupiers, and population, 1901 and 1911; and population enumerated in Institutions, large establishments, and on vessels, &c., 1911'.
CAERPHILLY Hundred	Ancient District			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 157.
LOWER MERTHYR TYDFIL	Registration sub-District			1911 Census of England and Wales, Table 5, 'Registration Counties, Districts and Sub-districts with their constituent civil parishes. - Urban or Rural District in which each parish is situated; Area; families or separate occupiers, and population, 1901 and 1911; and population enumerated in Institutions, large establishments, and on vessels, &c., 1911'.
MERTHYR TUDFUL CB/MB/UD	Local Government District			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 157.
MERTHYR TYDFIL USD	Sanitary District			1891 Census of England and Wales, Table 4, 'Area and Population in Rural Sanitary Districts'.
UPPER MERTHYR TYDFIL	Registration sub-District			1911 Census of England and Wales, Table 5, 'Registration Counties, Districts and Sub-districts with their constituent civil parishes. - Urban or Rural District in which each parish is situated; Area; families or separate occupiers, and population, 1901 and 1911; and population enumerated in Institutions, large establishments, and on vessels, &c., 1911'.
UWCH CAEACH Cmt	Ancient District			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 157.

Boundary changes

This unit was affected by the following changes:

Date	Type of change	Other unit involved	Area transferred	Authority
31 Dec 1894	was enlarged by gaining part of	LLANFABON CP/AP	Houses in 1901: 252.	1901 Census of England and Wales, Table 14, 'Changes in the Boundaries of Civil Parishes, effected Local Government Acts of 1899 and 1894, and by Local Acts since 1891 - Inhabited Houses and Population 1901'.; LGBO 32001 (Appointed day, 1894)

Lower level units

This unit contained the following units:

Name	Type	Start	End	Authority
CYNON Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 55.
FFOREST Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 71.
GARTH Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 72.
GELLI DEG Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 74.
HEOLYWERMWD Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 91.
PENTRE BACH Ch	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 177.
PENYDARREN Ch	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 178.
TAF Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 200.