Umbanda is historically a 20th‑century urban Brazilian phenomenon whose origins are commonly dated to the first decade of the 1900s in the state of Rio de Janeiro. Many adherents and early accounts point to a specific episode around 1908–1910 in Niterói, across Guanabara Bay from the city of Rio de Janeiro, as the moment when a particular combination of Spiritist mediumship, Catholic devotional language, and African‑derived spirit entities coalesced into a recognizably new religious form. Historians and religious‑studies scholars, while agreeing on the locus of emergence in the Rio area, differ about the neatness of the “founding” narrative: where popular narratives name a single origin, academic work emphasizes a process of multiple convergences among different communities and influences that had long been present in Brazil.
A concrete detail often cited by both practitioners and historians is the role of a young medium, later known in Umbanda circles as Zélio Fernandino de Moraes, who in the years around 1908–1910 presided over a small spiritual house in Niterói and reported a striking series of incorporations by spirits identified as caboclos (Indigenous‑style spirits) and pretos‑velhos (ancestral spirits of African origin). Adherents recount that one of the guiding entities in these early sessions was a spirit called the Caboclo das Sete Encruzilhadas; scholarly accounts treat that as a named spirit within an emergent repertoire, while also noting that similar spirit identities appear in other terreiros and that spirit names are often shared and reshaped across houses. Adherents hold that such spirits work through incarnating mediums to offer healing, ethical counsel, and guidance; scholars typically describe these claims as central to Umbanda’s liturgical economy without adjudicating their ontological truth.
Two verifiable strands that converged in early Umbanda are Spiritism as codified by Allan Kardec and Afro‑Atlantic religious practices that had been present in Brazil since the colonial period. Kardec’s core text, The Spirits’ Book (1857), and the institutional structures of Spiritism—exemplified by organizations such as the Federação Espírita Brasileira (founded in 1884) and periodicals like the Reformador—provided a widely circulated vocabulary for mediumship, moral progress, and séances. The Kardecist emphasis on psychography (automatic writing), spiritual evolution, and the use of passes (spiritually administered blessings or healings) supplied ritual technologies and an interpretive frame that many early Umbandists adapted. These practices were already familiar in urban centers through Spiritist circles meeting in rented rooms, lodge halls, and reading rooms.
At the same time, Afro‑Brazilian cosmologies contributed an array of spirit types, ritual gestures, musical repertoires, and a sensibility toward embodied possession that Umbanda reinterpreted in urban and often racially mixed contexts. Candomblé terreiros established in Salvador and in the southeastern coast since the 19th century had long preserved liturgical forms—drumming patterns, ritual songs, and offerings—derived from Yorùbá, Kongo‑Angolan, and other African cultural matrices. Umbanda adopted and transformed elements from these practices, while often eschewing the full liturgical apparatus of Candomblé; the result in many houses was a set of shortened songs (pontos), percussion patterns, and ritualized offerings (food, drink, tobacco) tailored to urban session formats. Adherents may assert that pretos‑velhos are the spirits of enslaved African ancestors who bring wisdom and healing, that caboclos are spirits of Indigenous or mixed ancestries who possess a deep knowledge of plants and countryside rites, and that other categories—such as crianças (child spirits) and exus (frontier or crossroads entities)—occupy distinct functional roles in ritual life; scholars typically report these theological claims as integral to internal systems of classification.
A second concrete detail lies in geography and demography. While Niterói is the frequently cited birthplace, early Umbanda spread rapidly into neighboring parts of the Rio metropolitan region—the city of Rio de Janeiro, working‑class suburbs, and then into São Paulo and other coastal cities—through networks of migrants, itinerant mediums, and urban associations. The diffusion in the 1910s–1930s coincided with substantial demographic and social changes in Brazil: rapid urbanization, growth in the literate public influenced by print culture, and increased circulation of spiritist and occultist literature. Urban growth concentrated large numbers of workers, small tradespeople, dock laborers, and domestic servants into dense neighborhoods where rented rooms, backyard sheds, and association halls served as accessible meeting places for terreiros. In São Paulo and Rio these sites frequently emerged in working‑class districts and near port and railway corridors, facilitating the movement of ideas and practitioners between cities.
The tension between how Umbanda’s own practitioners narrate their origins and how historians reconstruct them is instructive. Practitioners often present a linear founding story anchored in specific revelations and a charismatic medium; historians emphasize incremental blending, competition, and adaptation among Spiritist groups, Catholic popular devotion, and Afro‑Atlantic ritual specialists. Both perspectives are valuable: the former shows how communities make historical claims that ground institutional identity and authority; the latter situates Umbanda within longer processes of cultural exchange and religious innovation in modern Brazil. Comparative perspective also helps clarify this complexity. For example, while Candomblé centers emphasize hereditary priesthoods and extended initiatory sequences, Umbanda houses have tended to prize accessible mediumship and shorter sessional formats suited to urban schedules; similarly, Kardecist groups often foregrounded systematic study of spiritist doctrine, whereas Umbanda developed a more performative, therapeutic repertoire oriented to immediate communal needs.
By the 1930s and 1940s Umbanda had differentiated in practice and tone across terreiros. Some houses foregrounded the gentler, healing aspect associated with pretos‑velhos and caboclos, presenting ceremonies centered on counsel, herbal knowledge, and the relief of suffering; other groups incorporated more explicitly African liturgical elements or retained stronger ties to Kardecist practices such as written psychography and the systematic study of spiritist texts. A specific fact from this period is the presence of Umbanda houses in working‑class neighborhoods that used accessible meeting places—rented rooms, backyard sheds, and later purpose‑built terreiros equipped with altars, drums (atabaques), candles, and benches—rather than the grand terreiro complexes associated with some Candomblé houses.
The 1940s–1960s saw Umbanda enter a wider public visibility through newspapers and radio, and the phenomenon occasioned frequent commentary in municipal and national press. Radio stations broadcasting from Rio, including influential outlets that shaped mass culture in the 1930s and 1940s, carried reports and occasional programs that brought attention to spiritist and popular religiosity; newspapers ran stories that sometimes exoticized terreiros and sometimes criticized them on grounds of public morality or alleged charlatanism. This broader visibility produced a second tension: between popular curiosity and exoticization on the one hand, and internal conversations among practitioners about standards of mediumship, moral comportment, and the appropriate integration of Catholic symbolism on the other. In a majority‑Catholic society, some Umbanda houses adopted syncretic identifications of Catholic saints with spirit types as a pastoral strategy to foster social legitimacy; other houses resisted such equations, preferring to maintain distinct nomenclatures and ritual logics.
Finally, the founding era must be read in light of legal and social frameworks of the Brazilian republic. The early 20th century saw debates about secularization, public health campaigns aimed at controlling urban life, and municipal ordinances that regulated public gatherings. Afro‑Atlantic cults and Spiritist groups navigated police scrutiny, municipal health inspections, and sometimes hostile press coverage, and these external pressures influenced the physical and ritual forms in which Umbanda developed. One verifiable institutional development in the mid‑20th century was the emergence of umbrella associations and directories that sought to represent Umbanda before municipal authorities and in national forums; such organizations compiled lists of terreiros, issued statements about ethical standards for mediumship, and lobbied for legal recognition. These movements toward institutionalization indicate that what began in the early decades of the 20th century as a patchwork of houses and itinerant sessions had, within a few decades, become a recognizable religious phenomenon with considerable internal diversity and a public presence in Brazil’s urban religious landscape.