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.
Noelle Thurin's birth name is Noelle Deborah Thurin.
Noelle Peyton's birth name is Noelle Christina Peyton.
Noelle Nikpour's birth name is Noelle Michelle Nikpour.
Karina Noelle's birth name is Karina Noelle Castillo.
Noelle McHugh's birth name is Maria Noelle McHugh.
Noelle Cope's birth name is Noelle Elizabeth Cope.
Noelle Foley's birth name is Noelle Margaret Foley.
"Matthew' is not a Gaelic name; it's a English name.