Available Themes

Click on the hyperlinks for direct access to key graphs and tables.

• Total Population 1801 to 1911: Population grew from 13,655 in 1801 to 174,147 in 1911.
• Age Structure, in 5-year bands, from 1851 to 1911: In 1851, only 2.65 per cent of the population were aged 65 and over, but by 1911 3.09 per cent were.
• Infant Mortality Rate 1871 to 1911: The highest rate recorded was 223.04 infant deaths per thousand live births in 1901, and the lowest was 139.41 in 1881.
• 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 TIDVIL	Preferred	English			Statement of the Names of the Several Unions and Poor Law Parishes of England and Wales; and of the Population, Area, and Rateable Value thereof in 1881 (235)
MERTHYR TYDFIL	Alternate	English			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 TYDVIL	Alternate	English			Local Government Board, Poor Law Returns to Parliament from 1871 onwards (HMSO)

Unit associations

We know of no associations with other units.

Unit history

This unit was part of the following units:

Name	Type	Start	End	Authority
GLAMORGAN	Poor Law/Registration County	1850		Statement of the Names of the Several Unions and Poor Law Parishes of England and Wales; and of the Population, Area, and Rateable Value thereof in 1881 (235)
GLAMORGAN	Administrative County			Ministry of Health, Persons in Receipt of Poor-Law Relief (England and Wales) (H.M.S.O.)

Boundary changes

This unit was affected by the following changes:

Date	Type of change	Other unit involved	Area transferred	Authority
01 Jun 1895	was enlarged by gaining part of	PONTYPRIDD RegD/PLU	Llanfabon (part of)	Registrar General, Annual Report (HM Stationery Office)
01 Jun 1895	was reduced to enlarge	PONTYPRIDD RegD/PLU	Aberdare (part of)	Registrar General, Annual Report (HM Stationery Office)

Lower level units

This unit contained the following units:

Name	Type	Start	End	Authority
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'.
GELLIGAER	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'.
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'.
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'.
ABERDAR AP/CP	Parish-level Unit			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'.
GELLI GAER CP/AP	Parish-level Unit			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'.
LLANFABON CP/AP	Parish-level Unit		1862	1851 Census of Great Britain, Table [1], 'Population Abstract'.
LLANWYNNO AP/CP	Parish-level Unit		1862	1851 Census of Great Britain, Table [1], 'Population Abstract'.
MERTHYR TUDFUL CP/AP	Parish-level Unit			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'.
PENDERYN CP/AP	Parish-level Unit			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'.
RHONDDA AP/CP	Parish-level Unit		1862	1851 Census of Great Britain, Table [1], 'Population Abstract'.
RUGOS CP/Hmlt	Parish-level Unit			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'.
Y FAENOR CP/AP	Parish-level Unit			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'.