Aldermen had a six-year term of office, and one half of their number were elected by the councillors immediately after the triennial elections. This was the same in all county councils at this time, as defined by the Local Government Act 1888.
In local government, aldermen held six-year terms, with half of them being chosen by councillors following triennial elections. This procedure applied to all county councils during this period, as stipulated by the Local Government Act of 1888.