1. IAIN - ( gaelic, male ) Gaelic form of John (God is gracious)
2. IAKOVOS - ( hebrew, male ) supplanter
3. IAMAR - ( arabic, female ) moon
4. IANTHE - ( greek, female ) flower
5. IAOKIM - ( hebrew, male ) God will establish
6. IAPETUS - ( greek, male ) myth name (a Titan)
7. IASION - ( greek, male ) myth name (father of Plutus)
8. IASIUS - ( greek, male ) myth name
9. IASIUS - ( greek, female ) myth name (mother of Atalanta)
10. IASON - ( greek, male ) healer
11. IBLIS - ( arthurian, female ) wife of Lancelot
12. IBOLYA - ( hungarian, female ) violet
13. IBRAHIM - ( arabic, male ) Arabic form of Abraham (father of many)
14. IBTIHAJ - ( arabic, female ) joy
15. IBYCUS - ( greek, male ) myth name (a bard)
16. ICA - ( hungarian, female ) light
17. ICARIUS - ( greek, male ) myth name (gave wine to the citizens of Athens who mistook it for poison and killed him)
18. ICARUS - ( greek, male ) myth name (son of Daedalus)
19. ICCAUHTLI - ( nahuatl, male ) younger brother
20. ICELOS - ( greek, male ) myth name (son of Hypnos)