• Tim Rice and Tim Curry
• Ingrid Bergman and Ingmar Bergman
• Archibald Leach and Archibald MacLeish
• David Lloyd George and Andrew Lloyd Webber
• Annie Proulx and Annie Dillard

like almost to the point where I think I must have made one of them up

also: I'm not confused but they are confusing -

• Samuel Coleridge-Taylor and Samuel Taylor Coleridge
• Richard Burton (actor) and Richard Burton (explorer)
• Daniel Dae Kim and Daniel Day Lewis