| Name | M/F | Meaning |
|---|---|---|
| Ianto | ![]() |
Meaning : Gift Of God Used in : Australian, Welsh |
| Iau | ![]() |
Meaning : Welsh Form Of Zeus 'life'. Used in : Welsh |
| Iddawg | ![]() |
Meaning : Legendary Son Of Mynyo. Used in : Welsh |
| Iddig | ![]() |
Meaning : Legendary Son Of Anarawd. Used in : British, English, Welsh |
| Idris | ![]() |
Meaning : Fiery Leader, Wealthy Ruler, Powerful Used in : Afghan, Arabic, Muslim, Sindhi, French, German, Welsh, Anglo |
| Iob | ![]() |
Meaning : Diminutive Of Iorwerth: Worthy Lord. Derived From 'ior' And 'gwerth'. Legendary Son Of Maredudd. Used in : Welsh |
| Iolo | ![]() |
Meaning : Diminutive Of Iorwerth: Worthy Lord. Used in : Welsh |
| Iorwerth | ![]() |
Meaning : Worthy Lord. Derived From 'ior' And 'gwerth'. Legendary Son Of Maredudd. Used in : British, English, Welsh |
| Ithel | ![]() |
Meaning : Generous Lord. Used in : British, English, Welsh |
| Iustig | ![]() |
Meaning : Legendary Son Of Caw. Used in : Welsh |
| Iwan | ![]() |
Meaning : Welsh Form Of John 'God's Gift'. Used in : Australian, Japanese, Malaysian, Danish, French, German, Netherlands, Polish, Swedish, Ukrainian, Welsh |