What does Key mean?
Key /key/ [1 syll.] as a boys' name is of Old English origin. Key is a version of Keyes (Old English). Koy is a popular surname.
Key has 1 relation via Keyes: Keys.Kreatif forms: Kakey, Keyka, Keywn. [more]
How popular is Key?
Key is an uncommon given name for males but a very popular last name for both adults and children (#999 out of 150436, Top 1%). (2000 U.S. Census)
Displayed below is the birth name popularity of Key for boys. Key has not made it into the list so far. (Top 1000 Baby Names Records, 2014)