The name 'Kae' is a variant of 'Kay', which has origins in multiple cultures, often associated with meanings like 'rejoice' or 'pure'. In Māori mythology, Kae is a significant figure, a priest involved in the ritual birth ceremony of Tūhuruhuru, the child of Tinirau and Hinauri. Kae's story is marked by his betrayal of Tinirau, leading to his eventual capture and death, illustrating themes of treachery and retribution.