Variant of Kay, possibly from Greek 'katharos' meaning pure, or used as an independent short form.
Kaye is a name that wears its history lightly, sitting at the intersection of several distinct naming traditions. As a variant of Kay, it connects to one of the oldest names in the Arthurian legend — Sir Kay (or Caius) was King Arthur's foster brother and seneschal, a loyal but famously sharp-tongued knight whose name likely derived from the Latin 'Caius,' a common Roman praenomen. Through this thread, Kaye touches the same deep well of Romano-British mythology that gave literature Guinevere, Merlin, and Lancelot.
As a feminine name it developed separately as a diminutive of Katherine, carrying that name's Greek resonances of purity. The spelling with the terminal 'e' gives Kaye a slightly more formal, stage-ready quality than the simpler Kay — and indeed it was in the entertainment world that Kaye flourished most distinctively in the twentieth century. Danny Kaye, born David Daniel Kaminsky in Brooklyn in 1911, became one of America's best-loved comic performers, excelling equally in physical comedy, musical performance, and dramatic acting.
Films like 'The Secret Life of Walter Mitty' and 'The Court Jester' showcased his elastic brilliance. His warmth extended off-screen through decades of work for UNICEF, making him a genuinely beloved figure whose name carried both wit and generosity. As a given name Kaye is used for both girls and boys, though it skews feminine in contemporary practice.
It functions well as a middle name — its single syllable slots neatly between longer first and last names — and it has the kind of vintage ease that feels fresh again after a period of dormancy. It signals personality and lightness without trying too hard.