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• Infant Mortality Rate 1935 to 1973: The highest rate recorded was 86.96 infant deaths per thousand live births in 1940, and the lowest was 0. in 1973.

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
HIRAETHOG	Preferred	English			M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 92.
W521375	CASWEB identifiers for 1971 Local Govt Districts	English

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
DENBIGHSHIRE	Administrative County	01 Apr 1935		M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 92.

Boundary changes

This unit was affected by the following changes:

Date	Type of change	Other unit involved	Area transferred	Authority
01 Apr 1935	was created through the abolition of	LLANRWST RD	the whole except part of Llanrwst Rural CP Area: 58778 acres. Population in 1931: 4014.	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. 78577. The County of Denbigh Review Order, 1934
01 Apr 1935	was created from part of	RUTHIN RD	parts of the CPs of Clocaenog, Gyffylliog, and Llanrhaiadr Yn Cinmerch Rural Area: 4160 acres. Population in 1931: 79.	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. 78577. The County of Denbigh Review Order, 1934
01 Apr 1935	was created through the abolition of	UWCHALED RD	Area: 30204 acres. Population in 1931: 1968.	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. 78577. The County of Denbigh Review Order, 1934

Lower level units

This unit contained the following units:

Name	Type	Start	End	Authority
CERRIGYDRUIDION AP/CP	Parish-level Unit	01 Apr 1935		M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 41.
EGLWYSFACH CP	Parish-level Unit	1935		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'.
GWYTHERIN AP/CP	Parish-level Unit	01 Apr 1935		M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 86.
LLANDDOGET AP/CP	Parish-level Unit	01 Apr 1935		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. 78577. The County of Denbigh Review Order, 1934
LLANFIHANGEL GLYN MYFYR AP/CP	Parish-level Unit	01 Apr 1935		M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 121.
LLANGERNYW AP/CP	Parish-level Unit	01 Apr 1935		M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 127.
LLANGWM CP/AP	Parish-level Unit	01 Apr 1935		M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 129.
LLANRWST RURAL CP	Parish-level Unit	01 Apr 1935		M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 136.
PENTREFOELAS CP/AP	Parish-level Unit	01 Apr 1935		M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 177.
TIR IFAN CP/Ch	Parish-level Unit	01 Apr 1935		M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 203.