Co. Longford County
 
Co. Louth County
 
Co. Mayo County
 
Co. Meath County
 
Co. Monaghan County
 
Co. Roscommon County
 
Co. Sligo County
 
Co. Tipperary County
 
Co. Tyrone County
 
Co. Waterford County
 
Co. Westmeath County
 
Co. Wexford County
 
Co. Wicklow County
 
Cockermouth Borough within Cumberland
 
Colchester Borough within Essex
 
Coleraine Borough within Co. Londonderry
 
Corfe Castle Borough within Dorset
 
Cork Borough within Co. Cork
 
Cornwall County
 
Cornwall West Borough within Cornwall
 
Coventry Borough within Warwickshire
 
Cricklade Borough within Wiltshire
 
Cromartyshire County
 
Cumberland County
 
Cumberland East Borough within Cumberland