Kay is a bright, one–syllable charmer that began life as a pet form of Katherine—hence carrying the Greek meaning “pure”—but, like a many-coloured dupatta, it has gathered extra threads over time: in Arthurian legend Sir Kay was King Arthur’s stalwart foster brother, while in modern pop culture Kay often appears as the quick-witted friend who gets the punch-line first (perhaps because her very name rhymes with “yay”). Pronounced simply as KAY (/keɪ/), it rose like a monsoon kite through mid-20th-century American charts before drifting into the gentle trade winds of rarity, giving today’s parents a vintage gem that still feels airy and contemporary. In India, where initials frequently blossom into standalone names, Kay fits right in—short, stylish, and easy to weave into multilingual families. All in all, Kay offers the purity of its ancient roots, the chivalry of old tales, and the breezy modernity of a single crisp syllable that leaves the ear smiling.
| Kay Bailey Hutchison is an American politician and diplomat who served as a U.S. senator from Texas and ambassador to NATO. |
| Kay Ellen Ivey is an American Republican politician who has served as governor of Alabama since 2017. |
| Kay Sage was an American Surrealist artist and poet known for her dreamlike paintings featuring architectural forms. |
| Kay Tse On-kay is a Hong Kong singer known for songs exploring social issues and the struggle for democracy. |
| Kay WalkingStick is a Cherokee Nation artist known for landscape paintings that incorporate patterns inspired by Native American art. |
| Kay Burley is an English broadcaster known for hosting the breakfast show on Sky News. |
| Kay Thompson was an American author and performer best known for creating the Eloise books and starring in Funny Face. |
| Sandra Kay Yow was a Hall of Fame basketball coach who led NC State for decades and the U.S. women's team to Olympic gold in 1988. |
| Kay Redfield Jamison is an American psychologist, writer, and professor known for her work on bipolar disorder and her openness about living with it. |
| Kay Kendall was an English actress and singer known for Genevieve and her Golden Globe-winning role in Les Girls. |
| Kay Goldsworthy is an Australian Anglican leader who became the church's first female archbishop in Australia in 2018. |
| Kay Starr was an American pop, jazz, and country singer best known for her 1952 hit Wheel of Fortune. |
| Kay Davies is a British geneticist known for her pioneering research on Duchenne muscular dystrophy and prenatal screening. |