The definition can vary, depending on which constabulary you had in mind. Some are regular, civil police forces where the officers are called constables instead of officers. Some are paramilitary police organizations. Some are made up of soldiers trained for policing duties.
Gloucestershire Constabulary was created in 1839.
Herefordshire Constabulary was created in 1857.
Herefordshire Constabulary ended in 1967.
Suffolk Constabulary was created in 1967.
Northern Constabulary was created in 1975.
Oxfordshire Constabulary was created in 1857.
Oxfordshire Constabulary ended in 1968.
Flintshire Constabulary was created in 1856.
Flintshire Constabulary ended in 1967.
Lancashire Constabulary was created in 1839.
Gwynedd Constabulary was created in 1950.
Gwynedd Constabulary ended in 1967.