Possible Clues:

• Noted epistle writer
• Epistle writer
• Minneapolis twin?
• Lust a pain ruining holy fellow
• Minnesota capital
• Christian convert to depict his old identity with an exchange of origins?
• . . . on the Mississippi
• Correspondent's A-plus composition isn't commonly included
• Person venerated like John and George, but not Ringo?
• US city turning up in atlas