Addendum

Though the fact that all three of those are last names might contribute. Reginald Ashton Smith, Ashton Reginald Smith, Smith Ashton Reginald . . . nope, still carries the same feeling.

Name Recognition

If, tomorrow, you were to awake in a world in which Clark Ashton Smith's name had become Smith Ashton Clark, would you even notice? How about Ashton Clark Smith? Ash Clarkton Smith? But if somebody claimed his favorite science fiction author was Asimov Isaac, you'd grab the nearest gun and start shooting. Here we see the particular properties of triple names as opposed to double.