- Jacobs, Orange, Hon.
- Jeffers, Sarah H., Mrs.
- Jeffs, Richard
- Jewell, John T.
- Jewett, Harriet, Mrs.
- Johnson, Daniel
- Johnson, Frank
- Johnson, James
- Johnson, Thomas
- Jones, Henry
- Jones, John E.
- Jones, Nelson
- Josephi, Simon Edward, M.D.
- Kayler, Thomas H.
- Keady, William F., Hon.
- Keeney, Joseph B.
- Kelling, Dietrick
- Kellogg, Charles H., Capt.
- Kellogg, George, Dr.
- Kellogg, Jay A.
- Kellogg, Joseph, Captain
- Kellogg, Mary C. E., Dr., Mrs.
- Kellogg, Noah S.
- Kellogg, Orrin, Jr., Capt.
- Kelly, Clinton, Rev.
- Kelly, James Kerr, Hon.
- Kelly, John, Hon.
- Kelly, Penubra
- Kennedy, John H., Dr.
- Kesling, James
- Kincaid, Harrison Rittenhouse
- Kincaid, John Francis
- Kincaid, Orvin, Hon.
- Kindred, B. C.
- Kindred, Rachel, Mrs.
- Kineth, Charles T.
- Kineth, John
- King, A. N.
- King, George W., M.D.
- King, Sarah Fairbanks
- Kinnear, E. M.
- Kinney, Robert Couch
- Kinney, Samuel
- Kinnison, H. A.
- Kinnison, J. P.
- Kirk, T. J.
- Kirkland, Joseph E.
- Klippel, Henry
- Knapp, Sewall M.
- Koontz, James H., Hon.
- Kuhn, Joseph A., Hon.
- Kuykendall, George Benson, M.D.
- La Brache, Louis
- Ladd, John R.
- Ladd, William Sargent
- Lancaster, Columbia, Judge
- Lander, Frederick W., Hon.
- Landes, Henry, Col.
- Lane, Joseph, General
- Lasater, James H.
- Learned, Alphonso Fowler, Hon.
- Leasure, John C., Hon.
- Lee, Jason, Rev.
- Lee, Joseph D., Hon.
- Leezer, W. J.
- Leslie, David, Rev.
- Lewis, Elisha H.
- Lewis, Haman C.
- Lisle, Samuel I.
- Lister, David
- Livermore, Lot
- Long, Edward
- Long, Jacob
- Loomis, L. A.
- Lord, William P., Hon.
- Lovejoy, A. Lawrence
- Lownsdale, Daniel H.
- Lownsdale, J. P. O.
- Lucas, Jay P.
- Lyman, Horace, Prof.