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.
It has no meaning in Gaelic; it's not a Gaelic name.
The name is not in Scottish Gaelic.
"Matthew' is not a Gaelic name; it's a English name.
'Robert' has no meaning in Gaelic: it is a English name.
It is not a Gaelic name and has no meaning in Gaelic. In the Irish language Bible it is spelled Iárad FWIW.
it depends which jessica you mean
Cheyenne is not a Scottish Gaelic word.
because it does.
Yes Jessica does mean wealthy and Jess means rich
It is a name.