Actually, just to clarify things:
Page names (from an ApplesScript POV) are the actual page number as they appear in the Document Layout palette.
Page Numbers (from an ApplesScript POV) are the position of those pages within the document.
Remember not all Quark documents need to start on page 1 (the name) but every Quark document has a page 1 (the number).
That said, naming pages is not available through AppleScript at this time.
HTH