Variant spelling of Joy, from Old French 'joie' and Latin 'gaudia' meaning 'happiness' or 'delight'.
Joi is a variant spelling of Joy, one of the most straightforwardly virtuous names in the English language, derived from the Old French *joie* and ultimately from the Latin *gaudium*, meaning "gladness" or "delight." Abstract virtue names — Faith, Hope, Grace, Joy — were popularized by Puritans in the seventeenth century as a form of aspiration embedded directly in identity: to name a child Joy was to express a wish, a prayer, and a declaration simultaneously. The alternative spelling Joi emerged later as a way to personalize and distinguish the name while preserving its essential sound and meaning.
The *i* ending of Joi gives the name a slightly more contemporary, stylized quality, placing it in conversation with names like Joi, Nikki, and Toni that use the *i* suffix as a feminine marker with a modern edge. In African American naming traditions, where creative spelling has long been a meaningful form of cultural expression and individual distinction, Joi has been a favored variant since at least the mid-twentieth century. The name also appears in Japanese as a word meaning "superior" or "above," though the naming traditions are distinct.
In popular culture, Joi gained renewed visibility through Denis Villeneuve's *Blade Runner 2049*, where an AI companion named Joi raises searching questions about consciousness, companionship, and what it means to feel. The name there carried its ancient meaning with strange new weight. As a given name, Joi remains relatively uncommon, which gives it the appealing quality of a word-name that hasn't been diluted by overuse — still bright, still carrying its meaning at full strength.