| NAME | ADDED | CONTRIBUTOR |
| LAMB, Hosea | 06 Mar 2009 | Sue Butterfield Picard |
| LANGE, Friedrich Augustus Bernhard | 12 Aug 2006 | Jill Layre |
| LANGHAM, Henry W. | Jan 2004 | Susan Roberts |
| LAPPIN, Robert | 08 Nov 2004 | Jerilyn Koskan |
| LARSON, Lars Peter Victor | 06 Mar 2009 | Ann Tell |
| LATHROP, Eleazor | 30 Aug 2004 | Susan H.C.V. |
| LAVERTY, Patrick M. | 29 Ocy 2003 | Ingrid Briles |
| LAVERTY, Theodore Cyrus | 28 Oct 2003 | Ingrid Briles |
| LAWHEAD, James Spangler | 01 May 2009 | Jeri Lawhead DeAtley |
| LAWRENCE, Charles | 23 Jan 2005 | Robert E Seeley |
| LAWRENCE, Clement | 27 Aug 2004 | Robert E Seeley |
| LAWRENCE, Henry | 23 Aug 2004 | Robert E Seeley |
| LAWRENCE, Owen | 27 Nov 2004 | Robert E Seeley |
| LAWRENCE, Thomas D | 23 Aug 2004 | Robert E Seeley |
| LAYRE, Horace Pearson | 28 May 2006 | Jill Layre |
| LECKER, George | 29 Apr 2009 | Ann Heffner |
| LEE, Elmer E. | 02 Nov 2008 | Dennis Rickard |
| LEE, Julius Anson | 01 May 2009 | Greta Thompson |
| LEE, Sondra | 17 Nov 2007 | Joseph Lee |
| LEHMAN, Jacob S. | 16 Sep 2003 | Debbie Crook |
| LEHMAN, Michael | 17 May 2009 | David W. Bard |
| LEHMAN, Michael, Jr. | 17 May 2009 | David W. Bard |
| LEITHNER, Frank | 22 Feb 2009 | Ann Heffner |
| LENTZ, Benjamin C. | 21 Mar 2009 | Nick Griffith |
| LESTER, Phineas | 26 Feb 2006 | Allan Joyce |
| LEWIS, John | 12 Nov 2004 | rayswork |
| LEWIS, Matthew | 17 May 2009 | David W. Bard |
| LEWIS, Nicholas Eugene | 08 Jan 2006 | Cynthia Caudell |
| LILLY, Francis Xavier | 06 Aug 2008 | Dennis McDowell |
| LINCOLN, Louis | 13 Aug 2006 | Marjorie Gesford |
| LITWAK, Andrew | 16 Jan 2007 | Marie Karban |
| LITWAK, Jacob | 16 Jan 2007 | Marie Karban |
| LIVERETT, Riley H. | 07 May 2006 | Darrell McGraw |
| LIVINGSTON, George H. | 01 May 2009 | Marthann Kohl |
| LLOYD, Thomas, I | 14 May 2006 | Sarah Locklin Taylor |
| LOCK, William | 01 May 2009 | Dianne Underwood |
| LONG, Fremont L. | 23 Apr 2005 | rayswork |
| LONG, Jonathan, Sr. * | 02 Oct 2005 | Layne A. Holley |
| LORZ, Cyril Francis | 25 Jan 2009 | Nancy Miller Lorz |
| LORZ, Frederich | 25 Jan 2009 | Nancy Miller Lorz |
| LUTHER, John "Conrad" | 21 Jul 2003 | Dorothy J. (Reinhardt) Schendel |
| LUTHER, John Jacob | 01 Aug 2003 | Dorothy J. Schendel |
| LUTHER, John W. | 20 Jul 2003 | Dorothy J. (Reinhardt) Schendel |
| LYON, Ahsher Morris | 01 May 2009 | Sally Haverly |
*Family Group Sheet is a PDF Document.