Peter van der Krogt has pointed out that all of the several origins
of the name California are disputed, although it is common believed
that the state was named after the Queen Califia and island of California
in the novel The Adventures of Esplandián by Garci Rodríguez de Montalvo.
The southern tip of the Baja peninsula, which had the name first,
was originally thought to have been an island.
The element, Californium, however, is not an island of stability.
The fictional island of stability lies in only fictional elements much heavier than Californium.
See also in The book of science:
Readings on wikipedia: