What does Keith mean?
Keith \ke(i)-th\ as a boys' name is pronounced keeth. It is of Scottish and Gaelic origin, and the meaning of Keith is "woodland, forest". The family name of hereditary earls marshals of Scotland from the 11th century. Baseball player Keith Hernandez; Rolling Stone Keith Richard; actor Keith Carradine.
Keith has 1 feminine form: Keitha.
Keith is a very popular first name for men (#59 out of 1220, Top 5%) and also a very popular surname for all people (#663 out of 150436, Top 1%). (2000 U.S. Census)
Shown below is the baby name popularity of Keith for boys. Keith entered the list in 1890-1899 and reached its top rank of #34 in the U.S. during 1960-1969, and is presently at #415. (Top 1000 Birth Names Records, 2014)