Brithdir and Islawr Dref Parish (CP) through time

Brithdir and Islawr Dref Parish (CP)

Densities and rates of growth. Age structure: concentrations of young people, and of the old.

Numbers of houses. Overcrowding: persons per room. Amenities: central heating, baths and WCs.

Alternative names

The following alternate names exist for this unit:

Name	Status	Language	Authority
BRITHDIR AND ISLAWR DREF	Preferred	English	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 20.
BRITHDIR AND ISLAWRDRE	Alternate	English	1901 Census of England and Wales, Table 12, 'Registration County, Districts, and Sub-Districts, with their Constituent Civil Parishes - Area; Houses and Population 1891 and 1901, and Separate Occupiers 1901'.
BRITHDIR AND ISLAW RDREF	Alternate	English	1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.
BRITHDIR AND ISLAWRDREF	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'.

Lower level units

This unit contained the following units:

Name	Type	Authority
CEFNYROWEN Tn	Parish-level Unit	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 39.
DOLGLEDR Tn	Parish-level Unit	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 60.
GARTHGYNFOR Tn	Parish-level Unit	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 73.
GARTHMAELAN Tn	Parish-level Unit	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 73.
GWANAS Tn	Parish-level Unit	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 81.
YSBYTY GWANAS Ch	Parish-level Unit	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 225.

Higher level units

This unit was part of the following units:

Name	Type	Start	Authority
MERIONETHSHIRE	Ancient County	1894	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 20.
DOLGELLY RegD/PLU	Poor Law Union/Reg. District	1894	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'.
BARMOUTH	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'.
DOLGELLAU RD	Local Government District	1894	M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 20.

Boundaries and changes

This unit was affected by the following changes:

Date	Type of change	Other unit involved	Area transferred	Authority
01 Oct 1923	was reduced to enlarge	DOLGELLAU CP/AP	Area: 117 acres.	1931 Census of England and Wales, Table 4, 'Intercensal Changes in Boundaries, 1921-31'.; M. of H. Order No. 68653. The Merioneth (Dolgelley UD) Confirmation Order, 1923
01 Apr 1934	was reduced to enlarge	DOLGELLAU CP/AP	Area: 836 acres. Population in 1931: 53.	1931 Census of England and Wales, Table B, 'Areas altered between 26th April, 1931 and 30th June, 1934, showing constitution as at the latter date, in terms of constitution as at the former date, together with particulars of acreage and population'.; M. of H. Order No. 78189. The Merioneth Review Order, 1934

Base layer:

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Maps Census reports

How to reference this page:

GB Historical GIS / University of Portsmouth, Brithdir and Islawr Dref Parish (CP) through time, A Vision of Britain through Time.

URL: https://www.visionofbritain.org.uk/unit/10116429

Date accessed: 08th April 2026