New Ulster Province was one of the two original provinces of New Zealand, established in 1846 by the New Zealand Constitution Act 1846. It comprised the entire North Island, excluding the Wellington region, which was part of the other province, New Munster Province. Its capital was Auckland.
History Prior to 1846, New Zealand was administered as a single colony with its capital in Auckland. The New Zealand Constitution Act 1846 divided the colony into two provinces: New Ulster and New Munster. This Act aimed to introduce representative government, though many of its provisions were suspended due to concerns from Governor George Grey regarding the potential for conflict with Māori. The Act defined New Ulster as the northern part of the North Island, specifically north of a line drawn from the Patea River on the west coast to the Cape Kidnappers on the east coast. The southern portion of the North Island, along with the entire South Island and Stewart Island, formed New Munster Province.
The name "New Ulster" likely drew inspiration from the Irish province of Ulster, reflecting a common practice of naming colonial territories after places in the British Isles.
Geography New Ulster covered the northern two-thirds of the North Island. Its southern boundary effectively ran from the mouth of the Patea River on the Taranaki coast across to Hawke's Bay, just south of Cape Kidnappers. This encompassed major settlements such as Auckland, New Plymouth (Taranaki), and Napier (Hawke's Bay).
Administration Although the 1846 Constitution Act technically established a system with a Lieutenant-Governor and a provincial legislative council for each province, most of its provisions were suspended. Governor George Grey effectively retained centralised control, acting as the governor-in-chief for the whole colony. The province had its own executive structure, but the degree of self-governance initially envisioned was not fully realised. Auckland served as both the colonial capital and the capital of New Ulster.
Abolition The provincial system established in 1846 was short-lived. The New Zealand Constitution Act 1852 abolished New Ulster and New Munster provinces and replaced them with a new system of six provinces: Auckland, New Plymouth, Wellington, Nelson, Canterbury, and Otago. These new provinces had significantly more self-governing powers and were subordinate to a central General Assembly. New Ulster was largely succeeded by the Auckland Province, with parts also forming the New Plymouth Province (later Taranaki) and contributing to the later Hawke's Bay Province.