- Comes from the Old English Berclea, meaning a birch tree wood or clearing
- First recorded use of this word is from the year 824 AD, as a name for the town of Berkeley in Gloucestershire, England
- A city across the bay from San Francisco, known for its university (University of California at Berkeley, or UCB) and for its liberal outlook and role in the hippie movement in the 1960s
- Commonly (mis-)spelled Berkley
- Also see the names Barclay and Burke