Holder of the keys; quay or wharf
As a surname-turned-first-name, Key has multiple origins. It can derive from the Middle English 'keye' referring to a physical key or a locksmith, or from the Middle English 'kay' meaning a wharf or quay. In some instances, it may also have roots in the Welsh name Cai.
South Korean singer and member of the boy band SHINee
The protagonist and robot girl seeking to become human · Key the Metal Idol
US births per 5-year period, 1990–present (SSA data).