Oruko Amutorunwa

Twins occupy a unique spiritual position in Yoruba cosmology. The orisha of twins — the Ibeji — is among the most approachable and cheerful of the divine beings, associated with play, abundance, and joy ^[1]. When a twin dies in infancy (a common occurrence in historical conditions with high infant mortality), a carved wooden figure (ere ibeji) is made to house the deceased twin's spirit. This figure is treated as the living child would have been: fed, clothed, washed, and carried.

The ere ibeji are among the most characteristic and recognisable forms of Yoruba art — small carved figures with distinctive hairstyles and scarification marks, typically found in pairs. Thousands are held in museums around the world. For the families who made them, they were not art objects but living presences: the visible form of a child who had returned to Orun but still required care and attention from its family in Aiye.

Beyond twins, Yoruba culture recognises many other birth circumstances that determine a child's name ^[2]. A child born with the umbilical cord wrapped around their neck receives the name Ojo (for boys) or Aina (for girls) — a name that marks the dangerous circumstances of their arrival and the particular attention they will need throughout life. Such children are understood to be spiritually complex, with a strong connection to the spirit world.

A child born face-down — arriving backwards into the world — receives the name Igé (for both sexes, with gendered variants). Children born after a series of deaths in the family may receive protective names like Duro-Olu (wait for God) or Kosoko (there is no hoe to dig a grave for this one — a direct expression of parental defiance against infant mortality). The practice of naming as protection, as defiance, as hope, is deeply embedded in the Amutorunwa tradition.

Some Yoruba groups assign names based on the day of the week on which a child is born — a practice more widespread among the Akan of Ghana but present in certain Yoruba communities as well ^[2]. The Yoruba traditional week has four days (Ojo Ose, Ojo Ogun, Ojo Jakuta, Ojo Obatala), and children born on each day may carry names associated with the orisha of that day.

This practice has become less common in the modern period, as the seven-day week of the Gregorian calendar has supplanted the traditional four-day Yoruba week in everyday life. But the tradition represents an important dimension of the Amutorunwa system: the sense that a child's identity is partly shaped by the cosmic moment of their arrival — by what orisha presides over the day, what forces are active in the world at the moment of birth.