Celtic History

Subtopic

Celtic Tribal Organization

The political structure of the Celtic peoples — the tuath, the pagi, the assemblies, the kingship, the warrior aristocracy, and the Druidic class that cut across tribal boundaries.

The political organization of the Celtic peoples varied considerably from one region and one period to another, but it shared certain basic features that distinguished it from the city-states of the Mediterranean and from the tribal confederations of the Germanic and Slavic worlds. The Celtic polity was built on a network of small territorial units, each with its own leader, its own assembly, and its own sense of identity, and the larger tribal groupings of the late Iron Age were in turn composed of many such smaller units bound together by ties of language, custom, and a shared sense of common descent. To study the tribal organization of the Celtic peoples is to study the foundations of Celtic political life, the way the Celtic legal tradition was administered, and the social and political framework within which the famous Celtic chieftains and queens, from Vercingetorix to Boudicca, operated.

This page is part of the broader survey of Celtic society, law, and governance and examines the basic territorial units of the Celtic world, the structure of the tribal polities of late Iron Age Gaul and Britain, the system of kingship and succession, the social hierarchy that supported the political order, and the role of the assemblies and the Druidic class in Celtic political life.

The Basic Unit: Tuath, Cantref, and Pagus

The basic unit of Celtic political life was the small territorial polity known in Ireland as the tuath, in Wales as the cantref (or the smaller maenor or trefi), and in the continental Celtic world by the Latin term pagus or, in the Greek sources, komos or ethnos. The tuath of early medieval Ireland, of which there were perhaps a hundred or more at any one time, was a small territorial unit with its own king, its own assembly, its own laws, and its own sense of identity. The Irish annals record the constant rise and fall of these small kingdoms as one tuath conquered another, as dynasties shifted, and as the balance of power among neighboring kingdoms changed.

The cantref of medieval Wales, a territorial unit of perhaps fifty to a hundred square miles containing several maenorau or sub-divisions, was the basic unit of Welsh political life in the period before the Edwardian conquest of 1282-1283. The cantref had its own courts, its own customs, and its own leaders, and the relationship between cantrefi was one of alliance, kinship, and frequent rivalry. The pagus of continental Celtic Gaul, as described by Caesar and as preserved in the later Gallo-Roman administrative system, was a similar unit. Caesar describes Gaul as divided into many pagi, each with its own chief, and the Roman administrative system of Gaul was based on the civitas, a tribal unit composed of many pagi and headed by a chief town. The survival of the pagus system in the medieval and early modern period, in the form of the French pays and pagi, is a testament to the durability of the basic Celtic territorial unit.

Tribal Polities and the Civitas

Above the level of the small territorial unit, the Celtic world was organized into larger tribal polities. In Ireland, these were the cúige or fifths — the five great provincial kingdoms of Ulster, Leinster, Munster, Connacht, and Meath. In Wales, the larger units were the kingdoms of Gwynedd, Powys, Deheubarth, Morgannwg, and others. In Gaul, the major tribal polities of the late Iron Age included the Arverni, the Aedui, the Sequani, the Helvetii, the Belgae, the Veneti, the Remi, the Bituriges, the Carnutes, and many others.

Caesar counted more than sixty separate tribes in Gaul on the eve of the Roman conquest, and he describes the political structure of these tribes in considerable detail. The Arverni, the Aedui, the Sequani, and the Helvetii were among the most powerful, with armies of tens of thousands of warriors, the resources to mount major campaigns, and a long history of regional hegemony. The Aedui in particular, who had the formal title of frater et consanguineus of the Roman people, were among the most prestigious of the Gaulish tribes, and their claim to be the friends and allies of Rome was an important element in the political balance of the late Iron Age.

The internal structure of these larger polities was based on the pagus system. Each major tribe was divided into a number of pagi or sub-territories, each with its own chief, and a class of principes or leading men who served as the king’s council and as the representatives of the tribe in dealings with other tribes. The principes of the Gaulish tribes, like the principes of the British and Germanic tribes, were the heads of the noble families from which the king was chosen.

The Celtic political system included a strong element of popular participation through assemblies. Caesar describes the Gaulish assemblies, which were called to discuss matters of war and peace, of the election of chiefs, and of the administration of justice. The Comitia of the Gaulish tribes, which met at fixed places and at fixed times of year, were attended by the principes and by representatives of the plebs or common people, and they had the power to make decisions that bound the whole tribe.

The Irish assemblies, which are much better documented in the early Irish law texts and in the annals, were the dál or airecht, formal meetings of the tuath at which the king was acclaimed, the laws were recited, and disputes were settled. The most famous of the Irish assemblies was the Feis Temro, the great assembly at Tara that met every three years and that was attended by the kings and nobles of the whole of Ireland. The Welsh assemblies, called cymanfa or gorsedd, were similar in form and function, and the Eisteddfod of the later medieval and modern period, although primarily a cultural festival, has its origins in the older tradition of the assembly.

Kingship and Succession

The Celtic king, whatever his exact title in the various regions, was the head of his people in war and peace, the supreme judge, the chief priest, and the symbolic center of the community. The Irish law texts distinguish several ranks of king, from the local rí or chief of a small territory up to the rí ruire, the over-king of a large province, and finally the rí Érenn, the high king of Ireland. The rí of the early Irish law texts is not an absolute monarch: his authority is limited by the customs of the tuath, by the rights of his subjects, and by the practical realities of power.

The succession to the Celtic kingship was governed by complex rules of tanistry, a system in which the new king was chosen from a wider kin group rather than passing directly from father to son. The tánaiste or designated heir was elected by the tuath during the lifetime of the king, and the choice was subject to confirmation by the assembly. The tánaiste was usually a brother, a cousin, or a son of the reigning king, but the choice was not strictly hereditary.

The continental Celtic kingship, as described by Caesar and the other Roman writers, followed a similar pattern: the Gaulish kings of the late Iron Age were elected for life by the principes of the tribe and could be deposed if they failed in their duties, and the British kings of the late Iron Age, including Cunobelinus, Caratacus, Togodumnus, and Cassivellaunus, were of comparable status. The full range of the king’s powers, the principes who elected and deposed him, and the role of the wider warrior aristocracy in supporting or resisting royal authority are examined in the account of the continental and British kingship. The inscribed coins of the late Iron Age British kings are a major source for the political history of the period.

The Warrior Aristocracy

Beneath the king stood the warrior aristocracy, the class of nobles whose military service, personal wealth, and inherited status gave them the right to a leading role in the political life of the tribe. The continental Celtic aristocracy, the equites of Caesar’s classification, owned most of the land, commanded the war bands, and monopolized the high offices of the tribe. The equites of Gaul were a class of substantial wealth and power, and many of the great Celtic chieftains of the late Iron Age, including Vercingetorix himself, were members of this class.

The Irish law texts distinguish a similar aristocratic class, the flaith or lords, who were the heads of the noble families and who held the bulk of the land in the tuath. The flaith were graded according to the size of their holdings and the number of their followers, and the law texts assign to each grade a specific honor price, a fixed sum that determined the compensation due for injury or insult. The uchelwyr of medieval Wales, the noble families whose status derived from their descent, their wealth, and their military service, formed the leading class of medieval Welsh society, and the laws of Hywel Dda assign them a central place in the political and legal system.

The Druidic Class

The Druids, the religious and legal specialists of the Celtic world, formed a parallel class that cut across tribal boundaries and gave the Celtic peoples a measure of religious and cultural unity. Caesar, drawing on the Greek accounts of the Celtic world, describes the Druids in some detail: they were exempt from military service and from taxation, they served as judges in disputes between tribes and between individuals, they presided over the religious ceremonies of the tribe, and they had the power to exclude individuals from the religious community, a sanction that was equivalent to outlawry.

The Druidic class had its own internal hierarchy, with the gutuatri or ordinary Druids at the bottom, the bards or poets in the middle, and the saros or chief Druid at the top. The training of a Druid was long and demanding, with the course of study lasting up to twenty years, and the body of Druidic learning included the religious and legal traditions of the Celtic world but also a substantial amount of natural philosophy, astronomy, and what we would now call science. Caesar claims that the Druids taught the immortality of the soul and the transmigration of souls, a doctrine that he explicitly compares to the Pythagorean teaching.

The Druids played an important role in the political life of the Celtic tribes. As judges, they had the power to settle disputes that would otherwise have led to blood feud, and their exemption from military service and from taxation gave them a degree of independence from the tribal authorities that made them a natural counterweight to the king and the warrior aristocracy. The Druids were, in effect, a Celtic parallel to the Brahmin class of India or the priestly class of ancient Egypt, and their role in maintaining the cultural and religious unity of the Celtic world was substantial. The continental Druids disappear from the historical record after the first century CE, but the insular Druids survived into the early medieval period, and the references to Druids in the Ulster cycle and the early Irish law texts show a class of religious and legal specialists that is recognizably continuous with the older continental Druidism.

The Common People

Beneath the king, the warrior aristocracy, and the Druids stood the common people, the plebs of Caesar’s classification and the commoners of the early Irish law texts. The common people of the Celtic world were not a uniform class. The Irish law texts distinguish the bóaire or cow-owner, who had the wealth of a certain number of cows and who was entitled to participate in the assembly, from the lower ranks of free men and from the various grades of unfree laborers. The Welsh law texts make similar distinctions, with the brenin or king at the top, the uchelwyr or nobles in the middle, and the taeogion or bondsmen at the bottom.

The plebs of the Gaulish tribes, as described by Caesar, included both free commoners and various grades of dependent laborers. The ambacti, the clients and retainers of the Gaulish nobles, formed a substantial class whose position was somewhere between freedom and dependence. The bardi, the singers and poets of the Gaulish tradition, were a separate class whose religious and ceremonial role gave them an honored place in tribal society. The plebs as a whole had a legal personality that was recognized by the tribal law. The plebs could own property, enter into contracts, and bring legal actions, but they had a lower honor price than the principes and the equites, and they were subject to the political authority of the tribal chiefs.

The position of the common people varied considerably from one region to another and from one period to another. The Irish law texts preserve the most detailed picture of the legal position of the common people, and they show a society in which the rights and duties of every individual, from the high king to the lowest bondsman, were carefully defined.

Romanization and the Survival of Tribal Forms

The Roman conquest of Gaul and Britain did not mean the immediate disappearance of the older tribal forms. The Roman administration used the civitas, the tribal unit, as the basis of the provincial government, and the tribal aristocracies of the conquered peoples continued to play a leading role in the new political system. The ordo decurionum, the council of the leading men of the civitas, was drawn from the old tribal aristocracy, and the high priest of the civitas was often a member of the old royal or noble line.

The medieval Celtic world, in turn, preserved many of the older tribal forms in a transformed guise. The Welsh cantrefi and the Irish tuatha continued to be the basic units of political life long after the Roman period, and the political structures of the early medieval Celtic world were in many ways direct continuations of the older Iron Age forms. The survival of the tribal forms a significant element in the modern Celtic national and cultural identity, and the modern political structures of the Celtic nations can be traced back, through a long chain of intermediate forms, to the older tribal assemblies of the Celtic world.

Articles in this section

How Celtic Tribes Were Led by King and Warrior Elite The Celtic king was constrained by custom, the warrior aristocracy held the real power on the ground, and the partnership of the two shaped every major Celtic polity from Gaul to Ireland. The Role of the Celtic Assembly and Chieftains The Celtic assembly — Irish airecht, Gaulish comitia, Welsh cymanfa — was the central political institution of the Celtic world, and the chieftains who spoke in it shaped the policies of every tribe. Why Celtic Tribes Fragmented and Reformed so Often The Celtic political world was a kaleidoscope of small polities rising, falling, splitting, and merging. The reasons lie in tanistry, in clientage, in migration, and in the structure of Celtic kinship.