| File # | Defendant | Plaintiff | Year |
| 04062 | Ide, Spencer, deceased, Estate of | Winslow, Charles E. | 1888 |
| 04175 | Illenberger, Geo. | Wadleigh, M. | 1887 |
| 052 | Illinberger, Geo. | Johnson, John O. | 1891 |
| 02062 | Illingberger & Ritter | Kuhl, Christiana | 1889 |
| 02894 | Ingraham, Isaac | Phillips, Allen J. | 1858 |
| 01886 | Irving, William | Irving, Rosell | 1878 |
| 04207 | Isador, Andrew | Zinda, John | 1870 |
| 0344 | Iverson, John | Altman, C. & Co. | 1879 |
| 0288 | Iverson, Jules | Altman, Paulina | 1885 |
| 0388 | Iverson, Jules | Berry, Simpson | 1886 |
| 0563 | Iverson, Jules | Butterfield, Z. & E. | 1892 |
| 02531 | Iverson, Jules | Mitchell, W. W. | 1884 |
| 03647 | Iverson, Jules | Thompson, Frank B. | 1888 |