The Castrati and the Catholic Church: A History of Institutional Mutilation

A eunuch subset in a religious institution created for musical demand

For over three centuries (c. 1550s–1870), the Catholic Church systematically relied upon the surgical mutilation of young boys to preserve the purity of its sacred music. While canon law had prohibited castration since 325 it was not effectively abolished until 1870 when the fall of the Papal States eliminated the legal and administrative structures that had enabled it. Up to then the Vatican not only tolerated but actively encouraged and institutionalized the creation of castrati: boys castrated before puberty to retain their soprano voices. Today, the same Church condemns gender-affirming medical care for minors as a grave violation of bodily integrity. The historical record of the castrati lays bare an uncomfortable irony!

What the Church did

The problem, as the Catholic Church saw it in the 16th century, was simple. A long-standing interpretation of 1 Corinthians 14:34 — “women should remain silent in the churches” — which barred female voices from liturgical music. At the same time, the developing polyphony of the Renaissance (1400-1600) and Baroque (1600-1750) demanded brilliant, powerful soprano and alto lines that adult male falsettists could not consistently deliver. Boys’ voices, exquisite before puberty, broke irreversibly thereafter. The solution was as brutal as it was effective: prevent puberty altogether.

Beginning in the mid-1500s, and formalized by Pope Sixtus V’s 1589 bull Cum pro nostro pastorali munere (In the exercise of our pastoral office), the Papal Choir openly admitted castrati. By the early 17th century, they had entirely replaced falsettists in the Sistine Chapel. Thousands of boys, mostly from impoverished families in Naples, Bologna and the Papal States, were subjected to the knife. The typical age was seven to nine. Methods varied, but common practice involved heavy doses of opium, a scalding or ice-cold bath to numb the area, and the swift removal or crushing of the testicles. Mortality rates were appalling; contemporary estimates suggest up to 80% in some periods. Survivors faced lifelong sterility, hormonal imbalance, and social stigma.

The physical transformation was dramatic. Deprived of testosterone, their long bones continued growing into adulthood, producing the characteristic tall, long-limbed, barrel-chested figures immortalized in paintings and descriptions. That same physiology granted them extraordinary breath capacity and a vocal timbre unlike any other: a piercing, otherworldly sound that combined the power of a man’s lungs with the range and flexibility of a boy’s larynx (Barbier, 1996). To Baroque ears, it was the voice of angels.

Consent, of course, was illusory. Poor parents were offered money or the promise of future earnings. Some boys, aware of the starvation at home, may have agreed out of desperation. But a seven-year-old cannot give informed consent to irreversible bodily mutilation, and the Catholic Church knew it. The operation itself was almost always performed outside papal territory to preserve technical deniability, yet everyone understood the destination of the survivors: the great conservatories of Naples and, ultimately, the Papal Choir at the Vatican in the Sistine Chapel or the opera stages of Europe. The Vatican created the demand, conferred prestige on the practice, and shielded it from legal consequence for centuries.

This was hypocrisy, as canon law had prohibited castration since the Council of Nicaea in 325, with later decrees threatening excommunication of those who performed, ordered or knowingly arranged the act of castration. Yet Popes from Sixtus V (1585-1590) to Clement XIV (1769-1774) looked the other way. The 1589 bull authorizing castrati for music in St. Peter’s Basilica (in the Vatican) has never been formally abrogated. It was simply rendered obsolete by Pope Pius X’s 1903 motu proprio (a papal decree) titled Tra le sollecitudini (Among the concerns), which decisively reformed Catholic church music. This finally ended the exception to castration and reasserted the normal practice in choirs of use of boys’ and adult male voices only.

Celebrity castrati and precarity castrati

The last official castrato, Alessandro Moreschi, sang in the Sistine Chapel until 1913 and died in 1922. His eerie 1902–1904 recordings remain the only sonic evidence of what the Catholic Church once demanded in the name of liturgical beauty. The recordings are beautiful, haunting and damning. They also stand as an aural document of an immense ethical contradiction: canon law condemned castration, but ecclesiastical practice quietly relied upon its results. The bodies of castrati, permanently altered in childhood, served the aesthetic and theological priorities of an institution that simultaneously condemned the very act that created them.

Some castrati became international celebrities. Farinelli (1705-1782) was wealthier than most princes. He performed across Italy, and in London, Paris and Madrid. He later served at the Spanish royal court, where his singing was believed to alleviate King Philip V’s severe depression. However, the extraordinary celebrity of figures like Farinelli was the exception rather than the rule, and his fame helped mask the systemic exploitation underlying the institution of castrati.

In reality, as archival evidence from 18th century Rome indicates, many castrati lived the rest of their lives in poverty or social marginalisation. There is even one documented case that links a former castrato to a brothel whose clients sought ‘exoticised’ bodies (Feldman, 2015). This shows the sharp disparity between the cultural prestige castrati at the height of their careers and the precarity of others. It also reveals how some castrati were sexualised and commodified.

The Church’s position today

Today the Catholic Church teaches, in the words of the Dignitas Infinita (2024) declaration and numerous bishops’ statements, that medical or surgical interventions intended to align a person’s body with their gender identity jeopardize “the unique dignity the person has received from the moment of conception” (para. 60) and constitute a form of mutilation. The parallel is unavoidable: for centuries, the Church directly benefited from, protected and sacralized the non-consensual, non-therapeutic surgical alteration of children’s (boys) reproductive organs in pursuit of an institutional goal — here, the perfect liturgical voice. This is historical dissonance that raises questions about moral consistency and institutional accountability. Contemporary teachings still need to reckon with past practices that contravened the very principles now invoked.

The difference, defenders argue, lies in intent: castrati served sacred music, whereas gender-affirming care (in the Church’s view) denies the givenness of sexual dimorphism (i.e. systematic physical differences between males and females of the same species, beyond the differences in reproductive organs). Critics counter that both cases involve irreversible bodily modification of minors justified by adult ideological priorities. Given the asymmetry of power between institutions and children, intent alone cannot ethically distinguish the two practices.

Whatever the theological distinction, the historical facts remain stark: the same religious institution that now decries the mutilation of children (supposedly by gender-affirming medical care) once presided over the systematic castration of thousands of boys for the sake of its own liturgical aesthetic. This contradiction requires sober reflection. The historical parallels also remind us that no authority, religious or otherwise, should be immune from scrutiny (past or present) when it claims to speak on behalf of the vulnerable.

References

Barbier, P. (1996). The World of the Castrati: The History of an Extraordinary Operatic Phenomenon (M. Crosland, Trans.). Souvenir Press. (Original work published 1989.) https://archive.org/details/worldofcastrati00patr/mode/2up

Dicastery for the Doctrine of the Faith. (2024, April 2). Declaration of “Dignitas Infinita”: On Human Dignityhttps://www.vatican.va/roman_curia/congregations/cfaith/documents/rc_ddf_doc_20240402_dignitas-infinita_en.html

Feldman, M. (2015). The Castrato: Reflections on Natures and Kinds. University of California Press. https://www.ucpress.edu/books/the-castrato/paper


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1 Comment

  1. Editor

    Eunuchs were often created through castration of enslaved or captive males. This was common in various ancient and medieval societies. The term “khoja” (or “khwaja-sara”), which is Persian-derived, was used in Persian, Mughal, Ottoman and South Asian contexts to refer to eunuchs, who were frequently employed in royal courts or harems.

    Many of these slaves being “converted” into eunuchs were captured in wars or raids and surgically altered to serve in roles requiring loyalty without the risk of sexual involvement or family ambitions. However, not all eunuchs were slaves, and castration was not always involuntary. Some cultures had voluntary eunuchs for religious or social reasons (e.g. in Byzantine or Chinese traditions).

    Incidentally, the term “eunuch” itself has broader historical meanings, sometimes applied figuratively to non-castrated men seen as impotent or subservient. Nor were eunuchs just harem guards; they held diverse, influential positions due to their perceived loyalty (e.g. no heirs to challenge rulers). In ancient China, they served as bureaucrats, advisors, and even generals, with thousands employed in the Forbidden City. In the Ottoman Empire, “black eunuchs” (often from Africa) guarded harems, while “white eunuchs” (from Europe or the Caucasus) managed administrative roles. Persian (Achaemenid and later Safavid/Qajar) courts also used eunuchs as chamberlains and military aides, so there was some proximity to power (which served that purpose and was meant to). In India under Mughal rule, khwajasaras managed finances and households, sometimes amassing wealth. This system persisted into the 19th century but declined with colonial reforms and modern ethics.

    Overall, the practice originated in antiquity (e.g. Assyria, Byzantium) and was tied to slavery, with castration methods varying from crushing testes to full surgical removal—often performed on children for “better” results.

    Today, castration as punishment or control is illegal in most countries. It is viewed as cruel under frameworks like the Universal Declaration of Human Rights. In some regions, like South Asia, hijras (a third-gender community including voluntary eunuchs) face discrimination but also cultural recognition. In broader terms, eunuchs do challenge binary norms.

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