Available Themes

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• Total Population 1801 to 1961: Population grew from 1,486 in 1801 to 39,155 in 1961.
• Occupational Structure in 1831: Out of 1,071 males aged 20 and over, 540 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
ABERDARE	Preferred	Welsh			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.
ABERDAR	Preferred	English			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.

Unit associations

This unit was associated with the following other units:

Nature of association	Other unit involved	Type of unit	Authority
was succeeded by	ABERAMAN EP	Ecclesiastical Parish	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 1.
was succeeded by	ABERCWMBOI EP	Ecclesiastical Parish	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.
was succeeded by	YNYSCYNON 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. 2.
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'.
ABERDAR UD	Local Government District			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.
ABERDARE	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'.
ABERDARE USD	Sanitary District			1891 Census of England and Wales, Table 4, 'Area and Population in Rural Sanitary Districts'.
MEISGYN Cmt	Ancient District			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.
MERTHYR TYDFIL RSD	Sanitary District			1891 Census of England and Wales, Table 4, 'Area and Population in Rural Sanitary Districts'.
MISKIN Hundred	Ancient District			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.
MOUNTAIN ASH USD	Sanitary District			1891 Census of England and Wales, Table 4, 'Area and Population in Rural Sanitary Districts'.

Boundary changes

This unit was affected by the following changes:

Date	Type of change	Other unit involved	Area transferred	Authority
31 Dec 1894	was reduced to enlarge	LLANWYNNO AP/CP	Houses in 1901: 756.	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
CEFNPENNAR Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.
CWM DAR Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.
FFORCHAMAN Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.
LLWYTGOED Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 2.
LLWYTGOED Tn	Parish-level Unit			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 146.