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.
Fewer than 5 boys were named Key in 2025.
US births per 5-year period, 1990–present (SSA data).
South Korean singer and member of the boy band SHINee
The protagonist and robot girl seeking to become human · Key the Metal Idol