I Surnames
- Ide, Harvey W.
- Ingalls, John J.
- Ingalsbee, Seth
- Ingman, James Covington
- Inman, Henry
- Ireland, Frederick H.
- Irvin, Samuel M., Rev.
- Ise, Charles Daniel
- Isern, Walter Charles
- Isett, S. G., Col.
- Isham, Henry Howell
- Isley, William F.
- Ismert, Theodore F.
- Ives, Charles Purdy