In (Scottish) Gaelic "cànan" means "language".
Janine Canan was born in 1942.
Canan Topçu was born in 1965.
Canan Ediboglu was born in 1956.
Daniel Canan was born in 1953.
Canan Öztoprak was born in 1955.
Samuel Canan died in 1964.
Samuel Canan was born in 1898.
Rebekah is not a Gaelic name and therefore doesn't mean anything in Gaelic.
It is not a Gaelic word. Gaelic has no K.
Crazzy doesn't mean anything in Gaelic.
There is no Gaelic form of the name, if that's what you mean.
In Scots Gaelic it mean a fishing weir.