Nice find by Andrew Chason - and the original creators have a page on it here: It's a great inspiration if you need ideas on some fun roots for names.
What a neat article and a cool map, I had always wondered about things like this.

I'd like +Fantastic Maps to see this too.

As the article didn't point me towards more information about the Atlus itself, I looked for the "Atlus of True Names" and found this:
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