Subdivisions of Mercia
For knowledge of the internal composition of the Kingdom of Mercia, we must rely on a document of uncertain age (possibly late 7th century), known as the Tribal Hidage – an assessment of the extent (but not the location) of land owned (reckoned in hides), and therefore the military obligations and perhaps taxes due, by each of the Mercian tribes and subject kingdoms by name. This hidage exists in several manuscript versions, some as late as the 14th century. It lists a number of peoples, such as the Hwicce, who have now vanished, except for reminders in various placenames (see map at the head of this article). The major subdivisions of Mercia were as follows:
- South Mercians
- The Mercians dwelling south of the River Trent. Folk groups within included the Tomsæte around Tamworth and the Pencersæte around Penkridge (approx. S. Staffs. & N. Warks.).
- North Mercians
- The Mercians dwelling north of the River Trent (approx. N. Staffs., S. Derbys. & Notts.).
- Outer Mercia
- An early phase of Mercian expansion, possibly 6th century (approx. S. Lincs., Leics., Rutland, Northants. & N. Oxon.).
- Lindsey
- Once a kingdom in its own right, disputed with Northumbria in the 7th century before finally coming under Mercian control (approx. N. Lincs.).
- Middle Angles
- A collection of many smaller folk groups under Mercian control from the 7th century, including the Spaldingas around Spalding, the Bilmingas and Wideringas near Stamford, the North Gyrwe and South Gyrwe near Peterborough, the West Wixna, East Wixna, West Wille and East Wille near Ely, the Sweordora, Hurstingas and Gifle near Bedford, the Hicce around Hitchin, the Cilternsæte in the Chilterns and the Feppingas near Thame (approx. Cambs., Hunts., Beds., Herts., Bucks. & S. Oxon.).
- Hwicce
- Once a kingdom in its own right, disputed with Wessex in the 7th century before finally coming under Mercian control. Smaller folk groups within included the Stoppingas around Warwick and the Arosæte near Droitwich (approx. Gloucs., Worcs. & S. Warks.).
- Magonsæte
- A people of the Welsh border, also known as the Westerna, under Mercian control from the 7th century. Smaller folk groups within included the Temersæte near Hereford and the Hahlsæte near Ludlow (approx. Herefs. & S. Shrops.).
- Wreocansæte
- A people of the Welsh border under Mercian control from the 7th century. Smaller folk groups within included the Rhiwsæte near Wroxeter and the Meresæte near Chester (approx. N. Shrops., Flints. & Cheshire).
- Pecsæte
- An isolated folk group of the Peak District, under Mercian control from the 7th century (approx. N. Derbys.).
- Land Between Ribble & Mersey
- A disorganised region under Mercian control from the 7th century (approx. S. Lancs.).
- Middle Saxons
- Taken over from Essex in the 8th century, including London (approx. Middlesex).
After Mercia was annexed by Wessex in the early 10th century, the West Saxon rulers divided it into shires modelled after their own system, cutting across traditional Mercian divisions. These shires survived mostly intact until 1974, and even today still largely follow their original boundaries.
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