- Ice, W. T., Jr.1
- Iden, Mrs. Gay, Collector1
- Ignico, Robert V.1
- Independent Order of Odd Fellows. Olean Lodge No. 471 (Olean, N.Y.)1
- Independent Order of St. Luke (Blacksburg, Va.)1
- Infant Sanitarium (Virginia Beach, Va.)1
- Inge, M. Thomas1
- Ingleside Book Club (Morgantown, WV)1
- Ingram, John Henry, 1842-19161
- Institute for the History of Technology and Industrial Archaeology2
- International Association for Identification1
- International Order of Odd Fellows. Lodge 134 (Brandonville, W. Va.)1
- International Order of the King's Daughters and Sons. North River Circle (Gloucester County, Va.)1
- Irby, Mabel1
- Irby, Richard L. (Richard Logan), 1918-20023