Starting with letter I
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 261 | Irwyn | English | Sea friend. | M | |
| 262 | Isaac | Biblical | Laughter | M | |
| 263 | Isaac | Hebrew | He laughs. Laughter. The only son born to Abraham and his wife Sarah (in the Old Testament). Famous Bearers: British scientist Sir Isaac Newton (1642-1727) and the great violinist Itzhak Perlman. | M | |
| 264 | Isaakios | Hebrew | Child of laughter. | M | |
| 265 | Isaamm | Muslim | Variant of Isamm: Safeguard.. | M | |
| 266 | Isabel | Latin | Variant of Elizabeth. 'My God is bountiful;God of plenty.'. | M | |
| 267 | Isadorer | Greek | Strong gift. | M | |
| 268 | Isadoro | Spanish | Strong gift. | M | |
| 269 | Isaiah | Biblical | The salvation of the Lord | M | |
| 270 | Isaiah | Hebrew | The Lord is generous. Salvation of the Lord. God's helper. | M | |
| 271 | Isaias | Hebrew | God's helper. | M | |
| 272 | Isaias | Spanish | Salvation of Jehovah. | M | |
| 273 | Isak | Swedish | Laughs. | M | |
| 274 | Isamm | Muslim | Safeguard.. | M | |
| 275 | Iscah | Biblical | He that anoints | M | |
| 276 | Iscariot | Biblical | A man of murder; a hireling | M | |
| 277 | Isdemus | ArthurianLegend | Knight of Arthur. | M | |
| 278 | Iseabail | Hebrew | Devoted to God. | M | |
| 279 | Isen | Anglo-Saxon | Iron. | M | |
| 280 | Isenham | English | From the iron one's estate. | M | |