| LACONI | 2 |
| LaGRANGE | 6 |
| LAKE | 3 |
| LaLONA | 1 |
| LANCASTER | 2 |
| Landcaster | 1 |
| LANE | 2 |
| Lang | 4 |
| LANGLEY | 1 |
| LANHAM | 4 |
| LANNI | 1 |
| LANSING | 1 |
| LARSEN | 3 |
| LaRUE | 1 |
| LASHLEY | 1 |
| LATIMER | 1 |
| LAUDAHN | 6 |
| Lawrence | 6 |
| LAWSON | 1 |
| LEBO | 2 |
| LEE | 10 |
| LEFTWICK | 1 |
| LEGGE | 9 |
| LEMEIUX | 1 |
| LEUBERT | 1 |
| LEVERS | 2 |
| LEWIS | 20 |
| LEYH | 1 |
| LIC | 1 |
| LICHTY | 2 |
| LIENEKE | 4 |
| Lincoln | 1 |
| Lindhurst | 1 |
| LINDSEY | 1 |
| LINE | 1 |
| Linton | 1 |
| LITTELL | 21 |
| LITTLETON | 1 |
| LIVERMORE | 1 |
| LIZEE | 1 |
| LKETCHAM | 1 |
| LLOYD | 1 |
| LOCKHART | 2 |
| Lockwood | 19 |
| Lohr | 1 |
| LONG | 3 |
| LONGERBEAM | 1 |
| LOOMIS | 1 |
| Lowrey | 1 |
| LUBBERTSE | 1 |
| LUCE | 1 |
| LUCKETT | 1 |
| LUMAN | 1 |
| LUNDY | 6 |
| LUSK | 1 |
| LUSTIG | 2 |
| LUTES | 1 |
| Lyle | 1 |
| LYNCH | 1 |
| LYON | 12 |
| LYONS | 1 |
| LYTLE | 1 |