Portmadoc Urban District (UD) through time

Portmadoc Urban District (UD)

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

How people made their living: identifying farming communities, pit villages, mill towns and so on.

Social class and socio-economic groups. Concentrations of professionals, and of unskilled labourers.

How many people were at school. The distribution of graduates, and of the unqualified.

Numbers of babies born. Deaths, especially infant deaths. Causes of death by age and gender.

Unemployment rates and poor relief. What proportions of men and of women did paid work?

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	Start	End	Authority
YNYSCYNHAIARN	Official	English		02 Dec 1915	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'.
PORTMADOC	Preferred	English	03 Dec 1915		M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 181.
W491337	CASWEB identifiers for 1971 Local Govt Districts	English

Lower level units

This unit contained the following units:

Name	Type	Authority
GEST LG_Ward	Parish-level Unit	1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.
MORFA BYCHAN LG_Ward	Parish-level Unit	1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.
PORTMADOC EASTERN LG_Ward	Parish-level Unit	1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.
PORTMADOC WESTERN LG_Ward	Parish-level Unit	1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.
TREMADOC LG_Ward	Parish-level Unit	1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.
YNYSCYNHAEARN CP/AP	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	End	Authority
CAERNARVONSHIRE	Administrative County			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 181.

Boundaries and changes

This unit was affected by the following changes:

Date	Type of change	Other unit involved	Area transferred	Authority
01 Apr 1934	was enlarged by the abolition of	GLASLYN RD	part of Treflys CP Area: 242 acres. Population in 1931: 9.	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. 78190. The Caernarvonshire Review Order, 1934
01 Apr 1934	was reduced to enlarge	LLEYN RD	Area: 533 acres. Population in 1931: 21.	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. 78190. The Caernarvonshire Review Order, 1934

Base layer:

Show boundary:

If the boundaries of the Local Government District changed over time, this map will show all the different boundaries.

Maps Census reports

How to reference this page:

GB Historical GIS / University of Portsmouth, Portmadoc Urban District (UD) through time, A Vision of Britain through Time.

URL: https://www.visionofbritain.org.uk/unit/10292992

Date accessed: 08th April 2026