NotMeNotYou said:
I think the best option would be to alias the fan names to the original names. That way both options will work equally well.

With that said, is there a (preferably copyable) list of names available? I could easily punch those aliases through within a day.

Here's the spreadsheet with all the mons in the beta rom, including already existing mons and the beta ones. It includes original Japanese romaji and fan translated names.