1983–2010: The Metropolitan Borough of Calderdale wards of Illingworth, Mixenden, Northowram and Shelf, Ovenden, St John's, Skircoat, Sowerby Bridge, Town, and Warley.

2010–2024: The Metropolitan Borough of Calderdale wards of Illingworth and Mixenden, Northowram and Shelf, Ovenden, Park, Skircoat, Sowerby Bridge, Town, and Warley.

[3] At the time of the Norman Conquest, Halifax formed part of the extensive manor of Wakefield, which belonged to the king, but in the 13th century was in the hands of John Earl de Warrenne aka.

[3] Camden, about the end of the 17th century, wrote that "the people are very industrious, so that though the soil about it be barren and improfitable, not fit to live on, they have so flourished ... by the clothing trade that they are very rich and have gained a reputation for it above their neighbours.

"[4] The manufacturing standards and trade were improved by the arrival of certain merchants and clothworkers driven from the Spanish Netherlands by the persecution by the Duke of Alva.