| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|
| Lyerle | 10 | Lord of Galloway | 2 | Lamech, of | 1 | Lang | 1 | Leuck | 2 |
| Lusignan, De | 29 | Lancaster, de | 6 | Lara | 1 | Laughton | 2 | Lupton | 3 |
| Lusignan | 1 | Lancashire, de | 1 | Lara (Marquez) | 8 | Laughton\Lawton | 1 | Larna | 2 |
| Loches, De | 2 | Lord of Allerdale | 1 | Lord of Gothland | 3 | Lauridsen | 1 | Lindell | 1 |
| Lopasser | 1 | Lord of Mormaer | 1 | Long | 8 | Lyle | 1 | Littlejohn | 1 |
| Lumley | 1 | Leicester, of | 1 | Lowey | 1 | Lange | 2 | Langdorf | 1 |
| Longchamp, De | 2 | Lorraine | 4 | Lower | 1 | Lloyd | 19 | Lister | 1 |
| Lorraine, Of | 8 | Lesceline | 1 | Lemaster | 1 | Luke | 1 | Lucas | 3 |
| Louvain, Of | 4 | Land | 1 | Libbee | 1 | Lane | 8 | Littrell | 1 |
| Lower Lorraine, Of | 1 | Lacy | 5 | Levina | 1 | Lehmer | 1 | Luellen | 1 |
| Louvain Barbatus, De | 1 | Lewis (Jr) | 1 | Laub | 1 | Likens | 1 | Lohman | 5 |
| Lorraine, De | 7 | Locco | 5 | Lowe | 42 | Lobdell | 1 | Laswell | 2 |
| Lee, de | 3 | Laverne | 1 | Luffman | 1 | Lisk | 1 | Lorran | 1 |
| Lamp | 2 | Linnell | 23 | Lundy | 4 | Lumbatis | 5 | Leonard | 1 |
| Luvetot, De | 3 | Lumbard | 12 | Landreth | 5 | Lumabtis | 1 | LeFort | 1 |
| Lacy, De | 38 | Lettice | 1 | Longbottom | 1 | Lee | 4 | Lauppe | 1 |
| LaMonica | 4 | Leigh | 7 | Loftus | 1 | Laslovich | 3 | Lipperd | 1 |
| Legh | 26 | Lombard | 8 | Larue | 1 | Louden | 1 | Locke | 1 |
| Lord Of Hatton | 1 | Lewis | 4 | Lyons | 1 | Luster | 1 | Ladd | 1 |
| Legh, De | 5 | Lucile | 1 | Lammerse | 1 | Light | 3 | Lucinda | 1 |
| Lathom | 7 | Lincoln | 3 | Lamberts | 1 | Lauffer | 1 | Lambdin | 1 |
| Leftwich | 1 | Lovaine, De | 1 | Low | 4 | Lytle | 1 | Lashley | 1 |
| Latham, De | 11 | Lunn | 1 | Lammers | 5 | Lawler | 1 | Leeds | 3 |
| Lowery | 10 | Luxembourg, De | 4 | Lemaitre | 1 | Linder | 2 | Lanckford | 3 |
| Lightfield | 1 | Linebarger | 1 | Lowman | 1 | Lockwood | 7 | Leinberger | 1 |
| Limoges, De | 3 | Lineberger | 2 | Linscott | 1 | Lynde | 2 | Long III | 1 |
| Lambert | 4 | Lacretia | 1 | Lelland | 1 | Lynes | 3 | Lyerly | 11 |
| Leffel | 1 | Louvain, de | 1 | Lorimer | 2 | Lindsey | 1 | Lyerla, Sr. | 1 |
| Lord Of Altdorf | 2 | Lisle | 2 | Littleton | 1 | Luth | 9 | Layrle | 1 |
| Lommois, De | 2 | Londres, de | 2 | Lathrop | 1 | Lousie | 1 | Linney | 1 |
| Landen, of | 4 | Leon\ | 3 | Lauther | 1 | Lannert | 1 | Larke | 2 |
| Lady Of Old Saxony | 1 | Lisle, de | 6 | Lewellen | 7 | Levie | 1 | León, De | 2 |
| Landon, Of | 1 | Lekapene | 1 | Lueck | 1 | Lott | 1 | Laomedon | 1 |
| Lord Of Moselle | 1 | Lacon, De | 1 | Landers | 2 | Lowell | 2 | Lieugardis | 1 |
| Lubech, Of | 2 | Ledes, de | 2 | Lake | 8 | Lakin | 1 | Luxembourg | 1 |
| Longsepee | 2 | Longton | 2 | Laurilliard | 1 | Lyman | 2 | Loring | 7 |
| Laursen | 10 | Lovell | 14 | Logan | 1 | Lougee | 25 | Livida | 1 |
| Larsen | 2 | Lord of Chaumont | 1 | Lord | 4 | Langley | 4 | - | - |
| Lord Of The Isles | 1 | Lis, St. | 2 | Lawton | 4 | Lanier | 1 | - | - |
| Lisoures, de | 3 | Lithdnearg | 1 | Lawrence | 31 | Liming | 1 | - | - |
| Ludlow | 4 | Lowry | 168 | Lance | 2 | Lueders | 1 | - | - |
