I like:
Imogen (one of my favorites - but not with Joyce)
Iris & Lara (but not together)
Florence
Fay
Olivia
Isabella Charlotte
Charlotte Emily (but not Lottie)
Isabella Rosemary
Isabelle Sofia
Isadora & Emily & Ursula (but all together like that is trying too hard)
Isla Astrid Florence
Isla Florence Helen
Isobel Nicola
Ximena
Jasmina
Silvana
James
Milo Benjamin
Hector Thomas Julian
Tristan
Richard
Ignatius Humphrey (awesome as a book character, but might be a bit "much" for a kid in real life)
Isaac Samuel Joseph
Ivo Thomas Argyll
Ivor Emrys
Ivan seems to be a very common name in Croatia. Makes sense, since it's a form of John, and John is perennially popular in the Anglophone world.
Please rate my personal short name lists (the latter includes combos):
www.behindthename.com/pnl/69381www.behindthename.com/pnl/69381/91835 (updated)
http://greens-end.myminicity.com/