Of English origin.
Oakley is both a masculine and a feminine name.
There are two possible origins of the name.
From the English surname Oakley, meaning “oak clearing”, deriving from the Old English “oak” from the oak tree and “leah”, meaning “clearing”.
From the oak wood.
Other forms of the name are: Oaklee, Oakly, Oakleigh.
Famous bearer is American novelist Oakley Maxwell Hall.