Rebekah is not a Gaelic name and therefore doesn't mean anything in Gaelic.
There is no Gaelic form of the name, if that's what you mean.
The name is not in Scottish Gaelic.
It has no meaning in Gaelic; it's not a Gaelic name.
'Robert' has no meaning in Gaelic: it is a English name.
"Matthew' is not a Gaelic name; it's a English name.
it depends which jessica you mean
It is not a Gaelic name and has no meaning in Gaelic. In the Irish language Bible it is spelled Iárad FWIW.
Cheyenne is not a Scottish Gaelic word.
Yes Jessica does mean wealthy and Jess means rich
It is a name.
because it does.