A variant of Isis, the ancient name of the Egyptian goddess, adapted through Greek form.
Iysis is a creative reimagining of Isis, one of the most powerful names in all of human history. The original Isis—known in ancient Egyptian as Aset or Auset, meaning "throne"—was the supreme goddess of the Egyptian pantheon: a deity of magic, healing, motherhood, and rebirth. She was wife to Osiris, mother of Horus, and the divine protector who gathered her slain husband's scattered body and breathed life back into it through her magical arts.
Her cult spread from the Nile valley across the Greco-Roman world, where she was worshipped from Britain to Afghanistan, absorbing attributes of dozens of other goddesses along the way. The classical form Isis entered English through Greek and Latin texts, and for centuries it served as both a scholarly reference to Egyptian religion and an occasional given name of literary and aesthetic distinction. The River Isis—the name for the Thames as it flows through Oxford—has given the name a second English cultural life, associated with university tradition and pastoral beauty.
The spelling Iysis adds a visual elaboration—a second "y" woven into the familiar form—that transforms the name into something more personal and uncommon. This practice of phonetic or orthographic individuation allows parents to honor a profound mythological and spiritual tradition while creating a name that belongs distinctly to their child. In the early 21st century, the original spelling fell out of favor in some Western countries due to the name's association with a militant organization, making variants like Iysis a meaningful way to reclaim a name of extraordinary ancient dignity.