Introduction

Saint Walpurga (c. 710 to 779) was an Anglo-Saxon noblewoman who became a Benedictine abbess and missionary in Franconia. Her life sits at the meeting point of several themes that recur throughout this article: female monastic authority in the eighth century church, the long tradition of monastic physic gardens and herbal medicine, and the way later folk custom layered fertility and harvest symbolism onto her feast day. This article keeps those threads separate, marking clearly where the record is firm and where it is interpretation.

Walpurga’s Life and Mission

Walpurga was born around 710, probably in Devonshire, the daughter of an English sub-king remembered as Richard the Pilgrim and his wife Winna, a sister of Saint Boniface. She had two brothers, Willibald and Winibald. At the age of eleven she was entrusted to the community at Wimborne Abbey in Dorset, where she remained for some twenty six years under its abbess.

In 748 she answered her uncle Boniface’s call for women to help the mission in Germany, crossing the sea with Saint Lioba and other nuns. During the crossing a violent storm arose; she knelt and prayed, the sea calmed, and the sailors who witnessed it took her for a miracle worker. In Francia she stayed briefly at Mainz with Boniface and her brother Willibald, then lived under Lioba at Bischofsheim. Around 751 she moved to the new double monastery of Heidenheim, founded by Winibald. When Winibald died, she took charge of both the men’s and women’s communities there, an unusual position of authority for a woman of her time, which she held until her own death on 25 February 779.

It has long been claimed that her education at Wimborne enabled her to write the surviving Latin accounts of her brothers’ lives, including Willibald’s travel account. This attribution does not hold up. Modern scholarship has shown that this text was written by a different nun of Heidenheim, Hugeburc, and the older claim crediting it to Walpurga herself should be set aside.

Walpurga the Healer

Heidenheim is remembered in the surviving medieval accounts of Walpurga’s community as a place that cared for the sick and poor, and general histories of monastic medicine confirm that English and Continental religious houses of this period, including Wimborne, maintained physic gardens of medicinal herbs as a normal part of monastic life from at least the eighth century onward. Beyond this general picture, the specific medical claims sometimes attached to Walpurga personally, that she was renowned above all for curing blindness and hydrophobia, or that her community could be quoted verbatim describing its own herbal knowledge, come from later popular hagiographic writing rather than from a primary text I have been able to identify and check directly, and they are presented here as part of her later reputation rather than as confirmed eighth century fact.

What is firmly attested is her later patronage. She is venerated as patroness of the sick, of women in childbirth, and of farmers, and as a protector against plague, coughs, dog bites, and rabies, a list of patronages recorded in the Roman Martyrology and repeated consistently across the hagiographic tradition.

Iconography: Oil, Grain, and Later Symbolism

Walpurga is conventionally shown holding a small flask of oil, recalling the oil that came to be associated with her tomb at Eichstätt. She is also shown holding stalks of grain, an attribute that appears as early as the early eleventh century Hitda Codex, where Abbess Hitda is depicted presenting a Gospel book to Walpurga, who holds stylised grain stalks. The grain attribute is traditionally explained through a legend that she saved children from famine. Some scholars have additionally read it as an instance of a Christian saint’s iconography absorbing older agricultural and fertility symbolism tied to the harvest, and there is a related, looser folk tradition in some regions of confusing her with a separate, much less well documented pre-Christian figure sometimes called Waldborg. Both of these last two points are interpretations rather than settled facts, and should be read as such.

Death, Relics, and the Spread of Her Cult

Walpurga died on 25 February 779 at Heidenheim and was buried beside Winibald. Local veneration grew from early on. By the ninth century her tomb had fallen into neglect, and when Bishop Otkar of Eichstätt restored the church around 870, her remains were translated to his cathedral. The records of this period include more than one translation event and more than one later distribution of relics, which has led to some confusion in popular retellings about which exact date fixed her feast. What can be stated with confidence is that her principal feast came to be fixed on 1 May, tied to a translation of her relics, and that further translations and relic distributions in later centuries, including one associated with the city of Zutphen, are separately commemorated on other dates. Around 893, a later opening of her shrine is recorded as finding her body associated with a healing oil, which became known as Walburga’s oil and continues to be collected and distributed at Eichstätt today.

Her cult spread widely. She is patroness of Eichstätt and Weilburg in Germany, of Oudenaarde, Veurne, and Antwerp in Belgium, and of Tiel, Groningen, Arnhem, and Zutphen in the Netherlands, among other places.

Walpurgisnacht and the Question of Pagan Origins

The night of 30 April to 1 May, Walpurgisnacht, is not a Christian institution in its origin. Alpine and Central European communities marked this turning point of the year with fire customs intended to purify the land and protect livestock and households, and the Harz mountains in particular became fixed in later folklore as a gathering place for witches. It is sometimes described as the Germanic form of Beltane, but this is not accurate. Beltane is specifically the Gaelic May Day festival of Ireland and Scotland, a related seasonal turning point but a distinct tradition with its own customs. The Germanic and Alpine spring fire rites should be treated as a parallel but separate phenomenon, not as Beltane under another name. What is accurate is that the church’s later placement of Walpurga’s feast onto this date layered a Christian, healing, female figure onto a moment in the year that already carried older protective and seasonal weight, a pattern repeated elsewhere in the Christian calendar.

Monastic Physic Gardens and Food Preservation: Heidenheim

It is well documented in general monastic history that double monasteries of the Carolingian period combined the care of the sick with the management of kitchens, gardens, and food preservation, since communities of this size needed to salt, dry, and smoke food, including meat, to survive the year, and herbs valued for flavour were often also valued for their antimicrobial properties. This is a sound general picture of monastic life in Walpurga’s era. There is no evidence that Heidenheim’s monks and nuns specifically applying their herbal knowledge to meat preservation, or that Walpurga herself personally used any named plant in her healing work. Where the historical record is silent on specifics, as it is here, the best course is to describe the general monastic pattern and acknowledge that Walpurga’s own personal practice within it is not independently documented.

That said, the idea that medical and curative knowledge on one hand, and meat preservation technique on the other, regularly travelled together rather than developing in isolation, is itself well supported across other periods and cultures, which makes the inference for Heidenheim less speculative than it might first appear. Ancient Egyptian embalming relied on natron, a naturally occurring mixture of sodium carbonate and sodium bicarbonate, applied with the same desiccating logic used in salting food, and ancient Chinese embalming practice used a comparable method of immersing the body in a solution of salt and herbs before drying it in the sun. The same pattern recurs much later and far afield. When the explorer David Livingstone died in Zambia in 1875, the people caring for his body packed it in salt and dried it in the sun for two weeks to preserve it for the long journey back to the coast, applying ordinary local meat preservation knowledge to the task of embalming, a case documented in the contemporary account by Hyde and others, published in 1867 in connection with the expedition. The same overlap runs through the chemistry of curing itself, since Sal Prunella, fused saltpetre, served for centuries as both a medicinal preparation and a meat curing agent, used in the same households for sore throats and for hams. None of this proves that Heidenheim’s own herbal knowledge was applied to its meat stores, but it shows that the kind of crossover this article is reluctant to assert outright for Walpurga specifically was a normal and recurring pattern elsewhere, which is worth stating plainly rather than treating the idea as far fetched.

A Case Study in Herbal Naming: Brunella, Prunella, and the Question of Continuity

One way to illustrate how monastic-era herbal naming worked, without claiming a direct link to Walpurga herself, is the later history of the plant known today as Prunella vulgaris, self-heal. The plant was known in German-speaking regions as Brunella, a name connected to die Bräune, the German word for quinsy, a throat infection it was used to treat. William Turner, the sixteenth century English naturalist often called the father of English botany, discusses the plant under this German-derived name in his 1548 work The Names of Herbes, and John Gerard’s 1597 Herball likewise praises self-heal as a wound herb under the name Brunella, attributing the name to its German users. Both books are well documented works of the period;  The shift in spelling from Brunella to Prunella is generally explained as a transcription or printing error in later herbals, carrying the plant’s old quinsy-related name forward in a slightly altered form.

This is worth setting against a separate and better documented chemical history. Fused saltpetre, known from the seventeenth century onward as Sal Prunella, potassium nitrate melted and purified with a little sulphur and cast into cakes, has its own established etymology, from the Latin sal, salt, and pruna, a live coal, referring directly to the process of melting it over a fire. This is the etymology given in standard pharmaceutical reference works of the nineteenth century. An alternative idea, sometimes raised, that the salt’s name instead derives from the herb Prunella because both were used for sore throats, is an interesting linguistic hypothesis worth holding in mind, but it competes with, rather than confirms, the better attested live-coal etymology, and is only a hypothesis instead of  an established explanation.

Sal Prunella did go on to a long career in food preservation. English household recipes from the eighteenth and nineteenth centuries, including ham curing and beef potting recipes of the period, call for it alongside common salt and saltpetre, used in small quantities together with sugar or treacle.

A Documented Bridge: Irish Monasteries on Austrian Soil

The idea that Austria and Ireland shared a common monastic culture is not only a reasonable inference from general Benedictine practice, it rests on a specific and well documented institutional history. From around 1090, Irish Benedictine monks founded the monastery of St James in Regensburg, in neighbouring Bavaria, and in 1155 Duke Henry II Jasomirgott of Austria brought monks from that house to found what became the Schottenstift in Vienna, specifying in the founding charter that it be staffed exclusively by Irish monks, the Iroschotten. The Schottenstift remained under Irish Benedictine governance for close to three centuries, until the Melker Reform of 1418 transferred it to German speaking Benedictines. For that entire period, an Irish monastic community sat at the heart of the Austrian capital, sharing the same Rule, the same liturgical calendar, and very likely the same practical culture of self-sufficient farming and food preservation as the older Austrian houses around it. This gives the parallel drawn between Austrian and Irish monastic meat curing a firmer footing than analogy alone, since the two traditions were not simply similar by coincidence but were, for several centuries, in direct daily contact within Austria itself.

William Oake, the nineteenth century inventor of mild cured bacon, is best understood not as the end point of a traceable chain running from named Austrian monasteries into Ulster, but as standing within a wider, well attested pattern in which Benedictine and other monastic communities across early medieval Europe, in Austria, in Germany, and independently in Ireland, each developed their own expertise in salting, smoking, and drying meat as part of the same Rule of Saint Benedict and the same general culture of monastic self-sufficiency. Irish monasteries are documented in their own right as proficient in these preservation methods, alongside their well known strengths in baking and in the cultivation of medicinal herbs, a competence that grew on Irish soil rather than arriving from the Continent. Read this way, Austria and Ireland are two separate inheritors of one shared monastic tradition, each shaped by its own land, livestock, and climate, rather than one teaching the other.

What remains uncertain, is William Oake’s own biography. No outside encyclopedia, peer reviewed source, or contemporary record of Oake himself confirms his exact birthplace, his religious background, or his specific training, and the surviving evidence for his life was pieced together from circumstantial later sources, including an 1897 to 1898 South Australian agricultural journal and an 1885 Bristol newspaper notice concerning his son’s business. His use of Sal Prunella and his evident debt to William Prout’s nutritional chemistry are well within reach of ordinary nineteenth century pharmacy training and do not by themselves require any particular monastic lineage to explain them. The idea that Oake’s instincts, working with less salt, prioritising hygiene, and preserving the meat’s nutritional value, echo a far older, shared monastic ethos of frugality and care that also produced the Austrian curing tradition, is a reasonable and attractive parallel to draw. It is offered to readers as a parallel and a continuity of spirit.

Conclusion

Saint Walpurga’s documented life, missionary, abbess, healer by reputation, and the centre of a relic cult that still draws pilgrims to Eichstätt, is itself a remarkable record of female authority in the early medieval church. The later folk customs and herbal lineages sometimes attached to her name, the grain in her hand, the confusion with Walpurgisnacht, and the long afterlife of monastic herbal names like Brunella, are each interesting in their own right, but they sit at different distances from the documented historical record. The same is true of William Oake. Rather than one unbroken line running from named Austrian monasteries into his hands, the more defensible picture is of Austria and Ireland as two separate branches of the same Benedictine tradition of careful, frugal, herb-aware preservation, each grown in its own soil. This article has tried to keep these different distances from the record visible rather than blurred.

References

1. Acta Sanctorum, February Vol. III, Vita Sanctae Walburgae.
2. Britannica. “Saint Walburga.” https://www.britannica.com/biography/Saint-Walburga
3. Duffin, C. (2025). “The Healing Oil of Saint Walburga.” Hektoen International, Fall 2025. https://hekint.org/2025/10/23/the-healing-oil-of-saint-walburga/
4. Encyclopedia.com. “William Turner.”
5. Farmer, D. H. (1997). The Oxford Dictionary of Saints (5th ed.). Oxford University Press.
6. Gerard, J. (1597). The Herball or Generall Historie of Plantes.
7. Lawrence, C. H. (2001). Medieval Monasticism (3rd ed.). Longman.
8. Turner, W. (1548). The Names of Herbes in Greke, Latin, Englishe, Duche and Frenche.
9. Wikipedia contributors. “Schottenstift.” Wikipedia, The Free Encyclopedia.
10. Van Tonder, E. “Understanding William Oake.” EarthwormExpress. https://earthwormexpress.com/about-meat-curing/functional-ingredients/tank-curing-came-from-ireland/understanding-william-oake/
11. Van Tonder, E. “Tank Curing Came from Ireland.” EarthwormExpress. https://earthwormexpress.com/2019/03/12/tank-curing-came-from-ireland/
12. Van Tonder, E. “Sal Prunella.” EarthwormExpress. https://earthwormexpress.com/about-meat-curing/sal-prunella/
13. Van Tonder, E. “Sal Prunella in History.” EarthwormExpress. https://earthwormexpress.com/about-meat-curing/sal-prunella-in-history/
14. Wikipedia contributors. “Saint Walpurga.” Wikipedia, The Free Encyclopedia.
15. Wikipedia contributors. “William Turner (naturalist).” Wikipedia, The Free Encyclopedia.