| Surname | Firstname | Page |
| Ingilæ | Anders | marriage 1869 |
| Ingilæ | Sigfrid | marriage 1869 |
| Isakka | Abraham | marriage 1855 |
| Isakka | Sophia Abrahamsdtr. | marriage 1855 |
| Isaksdtr. | Lena Stina | death 1868 |
| Isaksen | Adolf | marriage 1869 |
| Isaksen | Henrik Martin | marriage 1866 |
| Isaksen | Isak | death 1869 |
| Isaksen | Johan | death 1868 |
| Isaksen | Lars | marriage 1865 |
| Isola | Isak | death 1870 |
| Isola | Marie Kaisa | marriage 1874 |
| Isolla | Nils Isak | death 1866 |
| Iversen | Anthon Christian | marriage 1859 |
| Iversen | Anton Chr. | death 1864 |
| Iversen | Halvor | death 1857 |