Book of Hours given by Mary Queen of Scots to Louis de Lorraine, Cardinal of Guise
Book of Hours [Gardner Museum, Boston — Mary Queen of Scots / Cardinal Guise provenance]
Catalogue updated 2026-06-08
A verified public-domain excerpt for this text is still being set. The folio is catalogued and linked below; an original Sub Rosa rendering will follow.
What it is
This Book of Hours was probably a gift from Francis II to his wife Mary Queen of Scots and was subsequently presented by Mary to her great-uncle Louis de Lorraine, Cardinal of Guise (1527–1578), around 1560. It is now in the Isabella Stewart Gardner Museum, Boston, purchased in 1887 from the Crawford library sale. The provenance documents a chain of devotional gift-giving within the Guise-Lorraine house and illustrates how personal prayer books functioned as dynastic bonds as well as spiritual instruments. The Cardinal of Guise was himself a powerful Counter-Reformation churchman who received the volume in the turbulent opening year of the Wars of Religion.
Why it still matters
The manuscript demonstrates how Books of Hours crossed borders and generations within Catholic noble families; modern users can adopt its structure of canonical hours as a daily prayer rhythm anchored in the history of family faith.
Horæ starter guide
Never lose the rhythm again
Chosen Portion delivers your morning, midday and night office to your phone — the Hours, without the bells.
- Three daily prayer moments scheduled around your real calendar, not a monastery's
- Psalms and historic prayers sequenced for you — no page-flipping or decision fatigue
- A visible streak of completed offices, so the rhythm compounds instead of collapsing
Kept alongside
Book of Hours bearing the signature of Mary of Guise
Book of Hours [with signature 'Marie R' of Mary of Guise]
A late fifteenth-century French Book of Hours bearing on folio 1r the signature 'Marie R' of Mary of Guise (1515–1560), daughter of Claude de Guise and mother of Mary Queen of Scots, who served as Queen Regent of Scotland. The manuscript is now at the National Library of Scotland (St Benedict's Abbey, Fort Augustus deposit), bought in 2000 from the Abbey's trustees. Mary of Guise was raised in a household of intense Catholic piety at Joinville, where the Guise chapel was served by nine canons and four choristers singing daily; this signed volume is the surviving record of her personal devotional practice as regent in Scotland. The manuscript bridges the Guise family's French Catholic formation with their political mission to hold Scotland for Rome.
Introduction to the Devout Life
Introduction à la vie dévote
Composed initially as spiritual direction letters for Madame Louise de Charmoisy — wife of Claude de Charmoisy, ambassador of the Duke of Savoy — this work was explicitly written for lay people living 'in town, within families, or at court.' It received a royal privilege from Henri IV of France on 10 November 1608 and was first published at Lyon in 1609. Francis de Sales shaped each of its five parts around the practical rhythms of court and household life, treating topics from meditation and vocal prayer to temptation and worldly conversation. The Introduction circulated widely in the dévot circles of the French court and became the devotional manual par excellence for Catholic lay formation in the early modern period.
Psalter (for the Education of Giovanni de' Medici)
The documented use of the Latin Psalter as the basis of young Giovanni de' Medici's religious instruction by his mother Clarice Orsini is one of the most precisely attested Medici devotional education episodes. When Poliziano attempted to teach the Medici boys using Homer and classical authors, Clarice expelled him from the villa at Cafaggiolo (c. 1479) and substituted the Latin Psalter, insisting on traditional Catholic instruction. Giovanni later became Pope Leo X, giving the episode retrospective significance; it is documented through Poliziano's own letters and subsequent Renaissance scholarship. The underlying text — the Psalter itself — was the universal prayer book of medieval and Renaissance Christendom and carries the highest possible devotional relevance independent of this particular episode.