Rocklin is an American given name originating from the surname Rockline, which is an Anglicized form of the Scottish Clan name 'MacCorkindale'. Its meaning is believed to be 'from the land of Corkindale', referencing a region in Scotland. The name is often associated with strength and steadfastness due to its connection with rocks. While not common, it has gained some popularity in the United States, particularly in states like California.