A spelling variant of Isis, the Greek form of the Egyptian goddess name associated with motherhood and magic.
Isys is a creative respelling of Isis, one of the most powerful names in all of human religious history. The original Isis derives from the Egyptian Aset (ꜣst), meaning "throne" — and she was indeed the divine embodiment of the throne, the power behind Egyptian kingship, the goddess who gathered the scattered body of her murdered husband Osiris and resurrected him, who gave birth to and protected the falcon-god Horus, and who was invoked across three thousand years of Egyptian civilization as the ideal of wifely devotion, magical power, and maternal protection. Her cult eventually spread throughout the Greco-Roman world, reaching Britain and the Rhine; temples to Isis stood in Rome, in Pompeii, and on the Thames.
The name's classical literary resonance is vast: Apuleius's second-century novel The Golden Ass culminates in a rapturous vision of Isis as the queen of heaven. The Romantic poets — Schiller, Goethe, Novalis — invoked her as the veiled goddess of hidden nature. In Freemasonic and esoteric traditions of the eighteenth and nineteenth centuries, Isis became a symbol of wisdom pursued through initiation.
The name carried pure mythological grandeur well into the late twentieth century, when geopolitical events in the 2010s caused many parents to reconsider the unmodified form. Isys — with the substituted Y — reclaims the name's ancient power while sidestepping contemporary associations entirely. The Y insertion is a modest orthographic shift with significant practical effect, producing a name that looks visually distinctive on the page while sounding nearly identical in speech. It preserves the goddess's full etymological weight while giving its bearer a name that is demonstrably, unmistakably her own.