Why the topic is easy to get wrong
Popular images of the Middle Ages often include burning witches, but the large-scale witch hunts that most people picture belong mostly to the late fifteenth to seventeenth centuries, after or at the very end of the medieval period. Medieval attitudes to magic were more varied and changed substantially over time. It is more accurate to speak of several overlapping things: folk charms, learned magic, and the accusation of harmful witchcraft.
Everyday charms
For most people, magic was ordinary and practical. A charm might protect a field, ease a toothache, find a lost object or help in childbirth. Many used spoken formulas, plants, knots, amulets, or written texts folded and worn. Early sources such as Old English medical collections include verbal charms to be said over a remedy or a wound, mixing prayers, references to saints and older traditions.
The line between magic and religion was blurred. Blessing a field with holy water, reciting a psalm for a cure or wearing a written prayer could all be seen as acceptable devotion or as superstition, depending on the observer. Church writers repeatedly tried to define the difference, often arguing that a practice was legitimate only if it relied on God and the saints and not on demons or on fixed formulas believed to work automatically. Ordinary people probably did not draw the line as sharply.
Learned magic
A second tradition belonged to educated men. Through Arabic translations, texts on astrological magic, talismans and ritual spells reached Latin Europe in the twelfth and thirteenth centuries. Books on natural magic argued that stones, plants and stars had hidden powers, and those ideas overlapped with medieval astrology and with alchemy, both of which were treated as serious learning by many scholars.
Necromancy, which in medieval usage meant ritual magic to summon spirits, was more dangerous. Clerics wrote and copied ritual manuals, and some of those manuals were condemned by church authorities. Learned magic was mostly practiced in clerical and court circles, and surviving cases often involve clergy and political intrigue. In some trials, accusations of magic were used as weapons against political enemies.
What the church said and how it shifted
An influential early text, usually called the Canon Episcopi, circulated in the early Middle Ages and was later attributed to an earlier church council. It taught that stories of women riding at night with the goddess Diana were illusions sent by the devil, and that believing in them was an error. In other words, early authorities often treated witchcraft as delusion and superstition rather than a real conspiracy, and penitential handbooks assigned modest penances for charms and divination.
Over the twelfth and thirteenth centuries, theology changed. Scholars focused more on demons and on the power of the devil, and the growth of the fight against heresy, discussed under heresy and witchcraft, helped merge the two ideas. By the fourteenth century there were trials in which people were accused of making pacts with demons, and a well-known case in Ireland in the 1320s involved a woman accused of sorcery and heresy. The Inquisition had been created to deal with heresy, and in the fifteenth century, writers began to claim that witches formed a sect that worshipped the devil. A famous handbook, the Malleus Maleficarum, appeared in 1486, near the end of the period, and it was more controversial among contemporaries than its later reputation suggests.
The big hunts that followed in the sixteenth and seventeenth centuries were driven by many factors, including religious conflict, legal changes and local tensions, and they happened mostly in the early modern period.
Healers and suspicion
Healers were not generally treated as witches. Many treated illness with herbs, charms and prayers, and communities relied on them. Midwives and village healers occasionally faced suspicion, but there is little evidence that medieval authorities routinely persecuted them as such, and the claim that millions of women healers were executed is not supported by historians. Accusations usually arose from conflict, a death after a quarrel, or a reputation for causing harm.
What the sources can and cannot tell us
The surviving evidence is uneven. Most records come from church and royal courts or from clerical writers, so they show how authorities thought about magic more than how ordinary people did. The number of trials in the medieval centuries is small compared with later ones, and details are often uncertain. Confessions, especially under pressure or torture, are unreliable as evidence of what people actually did.
A safe summary is that medieval Europe took the reality of magic and demons for granted, tolerated much of it as everyday practice, grew steadily more suspicious toward the end of the period, and left the most intense persecution to the centuries after.