| Hilde | Woman | French Names |
| Honoré | Woman | French Names |
| Huguette | Woman | French Names |
| Ignace | Man | French Names |
| Ingenue | Woman | French Names |
| Iphigenie | Woman | French Names |
| Isabeau | Woman | French Names |
| Isabelle | Woman | French Names |
| Isabelline | Woman | French Names |
| Isaure | Woman | French Names |
| Ivette | Woman | French Names |
| Izod | Unisex | French Names |
| Jacinthe | Woman | French Names |
| Jacquard | Unisex | French Names |
| Jacqueline | Woman | French Names |
| Jacquelle | Woman | French Names |
| Jacques | Man | French Names |
| Jacquotte | Woman | French Names |
| Jean Baptiste | Man | French Names |
| Jeanine | Woman | French Names |