Cadw (Welsh Historic Monuments) - See Wales

Caernarfon Record Office - See Wales

Caithness Archive Centre - See Scotland

Caithness Family History Society - See Scotland

Calderdale Family History Society - See Yorkshire

Cambridgeshire, County of - See Cambridgeshire

Cambridgeshire Archives Service - See Cambridgeshire Record Office

Cambridgeshire Association for Local History - See Cambridgeshire

Cambridgeshire BMD (Births, Marriages and Deaths Indexes) - See Cambridgeshire

Cambridgeshire Collection - See Cambridgeshire

Cambridgeshire Family History Society - See Cambridgeshire

Cambridgeshire Record Society - See Cambridgeshire

Cambridge University Archives - See National Links

Cambridge University Heraldic and Genealogical Society - See Cambridgeshire

Cambridge University Library - See Cambridgeshire

Camden, London Borough of - See London Boroughs

Campaign for National Parks - See National Links

Canterbury and York Society - See Miscellaneous Links

Canterbury Cathedral Archives - See Kent

Cardiganshire Family History Society - See Wales

Cardiganshire Archives - See Wales

Carlisle Archive Centre - See Cumbria

Carmarthenshire Archive Service - See Wales

Catholic Family History Society - See Miscellaneous Links

Catholic Record Society - See Miscellaneous Links

Census Dates - See Census Dates

Census 1841, Contents of the - See 1841 Census

Censuses 1851-1881, Contents of the - See 1851-81 Censuses

Census 1891, Contents of the - See 1891 Census

Census 1901, Contents of the - See 1901 Census

Census 1911, Contents of the - See 1911 Census

Census 1921, Contents of the - See 1921 Census

Central Scotland Family History Society - See Scotland

Centre for Buckinghamshire Studies - See Buckinghamshire Record Office

Centre for Metropolitan History - See London

Ceredigion Archives - See Cardiganshire Archives

Channel Islands Family History Society - See Channel Islands

Channel Islands Society, Gaspésian - See Channel Islands

Chelsea, London Borough of Kensington and - See London Boroughs

Cheshire, County of - See Cheshire

Cheshire and Chester Archives and Local Studies - See Cheshire Record Office

Cheshire BMD (Births, Marriages and Deaths Indexes) - See Cheshire

Cheshire Family History Society - See Cheshire

Cheshire Family History Society, North - See Cheshire

Cheshire Local History Association - See Cheshire

Cheshire, Record Society of Lancashire and - See Cheshire, Lancashire

Chester Archaeological Society - See Cheshire

Chester Archives and Local Studies, Cheshire and - See Cheshire Record Office

Chesterfield and District Family History Society - See Derbyshire

Chetham Society - See Cheshire, Lancashire

Christening Record, Contents of a - See Baptism record

Church of England Record Society - See Miscellaneous Links

City of London - See London Boroughs

Clackmannanshire Archives - See Scotland

Cleveland, County of - See Durham, Yorkshire

Cleveland Family History Society - See Durham, Yorkshire

Clwyd Family History Society - See Wales

College of Arms - See National Links, Northern Ireland, Wales

Conwy Archive Service - See Wales

Cornwall, County of - See Cornwall

Cornwall Family History Society - See Cornwall

Cornwall Online Parish Clerk - See Cornwall

Cornwall Record Office - See Cornwall

Cornwall Record Society, Devon and - See Cornwall

Corporation of London Records Office - See London

Countryside Council for Wales - See Wales

Coventry Archives - See Warwickshire

Coventry Family History Society - See Warwickshire

Croydon, London Borough of - See London boroughs

Cumberland, Historic County of - See Cumbria

Cumberland and Westmorland Antiquarian and Archaeological Society - See Cumbria

Cumbria, County of - See Cumbria

Cumbria Archive Service - See Cumbria Record Office

Cumbria BMD (Births, Marriages and Deaths Indexes) - See Cumbria

Cumbria Family History Society - See Cumbria

Cumbria Local History Federation - See Cumbria