Source : Webster's Revised Unabridged Dictionary (1913)

Californian \Cal`i*for"ni*an\, a.
   Of or pertaining to California. -- n. A native or inhabitant
   of California.

Source : WordNet®

Californian
     adj : of or relating to or characteristic of California or its
           inhabitants; "Californian beaches"

Californian
     n : a resident of California