Keen (surname)

The surname Keen has several possible origins. It can be:

• English: A nickname from the Middle English word "kene," meaning "bold," "brave," "eager," or "wise." It could also derive from the Old English word "cene," with similar meanings.

• Irish: An Anglicized form of the Gaelic surname "Ó Cianáin," meaning "descendant of Cianán." Cianán is a personal name thought to mean "ancient" or "enduring."

• German: A variant of Kühn, meaning "bold" or "brave."

The surname Keen is found in various English-speaking countries, including England, Ireland, the United States, Canada, Australia, and New Zealand. Spelling variations may include Keene and Kean. The prevalence of the name varies regionally, reflecting historical migration patterns and settlement. People with the surname Keen have been noted in a variety of fields including arts, sciences, and sports.