| | famname | Location | URL | Name | | Lindsay | USA, FLORIDA | www.angelfire.com/fl/Starlabs | Matthew S. Lindsay |
| Lindsay | IRELAND to CANADA | www.geocities.com/Heartland/Acres/7241/index.html | Belinda Melton Hughes |
| Lingenfelter | MD, OH, IL, USA | | Brian Hulleberg |
| Lintner | Germany to America | freepages.genealogy.rootsweb.com/~oldphoto/index.html | Mary Ann Lindner Allen |
| Lobaugh | USA - Wichita, Kansas | clemmer.org/ | Nancy K. Clemmer |
| Lonecke | Krefeld, Germany>New York | | Miriam Grafer |
| Long | Germany: Hannover | worldconnect.genealogy.rootsweb.com/cgi-bin/igm.cgi?db=fkwilson | Kay Wilson |
| Loonis | Belgium/France | members.localnet.com/~lbeilein | Linda Nebrich Beilein |
| Lubitz | Germany | | Jan Lubitz Sedore |
| Luck | Pittsylvania/Halifax Counties, V.A. | | Dayatra Shands |
| Luensmann | Germany,Rotenberg | genweb.net/gedcom/Ameliablue/Ameliablue.html | Leslie Mendez |
| Lummus | USA: SC, AL, MS, TX / Ireland | www.easy.com/fred_lummus | Fred Lummus |
| Luppens | USA, Belgium, Holland, Germany, France | www.geocities.com/Heartland/3127/ | Charles Luppens |
| Lyons | USA, CO, NE | www.geocities.com/Heartland/Meadows/2679 | Sharon Kelley |
| Lytle | SCT, IRE, USA, CAN | www.geocities.com/~lytle | Rik Vigeland |
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