| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|
| Lacy | 485 | Limburg | 100 | Leutharius | 1 | LARRABEE | 2 | Lengenfeld | 3 |
| Laon | 81 | Loos | 35 | Llandilo | 7 | LAWRENCE, ST. | 25 | Leige | 3 |
| Lahngau | 29 | Lascaris | 18 | Lluddica | 9 | LANGWORTHY | 22 | Lothar von | 2 |
| Linzgau | 38 | Lovaine | 41 | Llawr | 3 | Lane | 2 | Lutsk | 3 |
| Lommois | 1 | Lara | 6 | Lludica | 2 | LENERTZ | 7 | Lothringen | 3 |
| Landen | 30 | Lima | 1 | LEAVITT | 1 | LAKE | 1 | Lisle, De | 4 |
| Lorraine | 573 | Lancia | 6 | LOOMIS | 1 | LOCKWEILER | 2 | Lude, De | 7 |
| Lincoln | 45 | Leger, St. | 24 | LANEY | 1 | LEON-MONTERO | 2 | Lorent, St. | 2 |
| Lombardy | 9 | Lewys | 5 | Lawlor | 11 | Llywelyn | 22 | Limesi | 15 |
| Lathom | 26 | Lanvallei | 4 | Luts | 3 | LEON-REVECO | 1 | Lavardin | 9 |
| Luxembourg | 388 | Lavagna | 6 | leary, O' | 3 | Lovet | 8 | Llwarch | 4 |
| Louvain | 284 | Levis | 10 | Light | 1 | LASSEBERGE | 1 | Londoniis, De | 1 |
| Lorraine, De | 109 | Latimer | 33 | Lambert | 20 | LONDON | 3 | Lostock | 4 |
| Leuchars | 75 | Lisoures | 55 | Larkins | 39 | Luxembourg , of | 5 | Langfield | 2 |
| Liz , St. | 191 | Lisours | 10 | Laddes | 1 | Le-Vieux | 2 | Lancaster , de | 23 |
| Lens | 48 | Lucy | 263 | Llewellyn | 9 | Ludmilla | 1 | Louis | 4 |
| Lisle | 83 | Lisewis | 2 | Lock | 2 | Lower Alsace , of | 1 | Lorette | 1 |
| Lancaster | 171 | Lindsay | 19 | Lewis | 7 | LowerAlsace , of | 1 | Law and Justice | 7 |
| Lens , De | 8 | Lacon-Gunale | 23 | Leuven, Van | 17 | Luxemburg, of | 45 | Leah bint Laban | 1 |
| Longwy | 69 | Lacon-Serra | 23 | LOPEZ-BUENDIA | 4 | Lower-Alsace , of | 2 | Laadan of Gershon | 1 |
| Limoges, De | 17 | Lacon | 9 | LATHROP | 1 | Lorraine, of | 44 | Laban ben Bethuel | 5 |
| Lochaber | 22 | Lommois, De | 3 | LeMieux | 4 | LAUNEU | 1 | Lugalbanda | 4 |
| Luxembourg, De | 33 | Lutegareshale | 32 | Larue | 3 | LAINE | 2 | Lomna bint Sinaar | 1 |
| Lacy, De | 36 | Langtot | 1 | Loon, Van | 1 | Laidig | 1 | Lamech ben Mathusala ben Enoch | 3 |
| Louvain, De | 22 | Limes | 12 | Livingood | 1 | LORD | 3 | Lysimachus of Agathocles I | 3 |
| Leicester | 12 | Leybourne | 11 | LOTHROP | 1 | LUMLEY | 22 | Lagos of Philip II | 1 |
| Leinster | 152 | Lea | 19 | Laon , De | 3 | Louvigny | 2 | Laodice bint Antiochus II | 1 |
| Loches , de | 26 | Laval | 18 | Lloyd | 4 | Levington | 7 | Laodice I bint Archaeus I | 1 |
| Lombards | 25 | Lundins | 1 | LEE | 4 | LEXINGTON | 1 | Laodice III bint Mithradates II | 1 |
| Loches | 65 | Ledet | 21 | Lanks | 1 | LYNTON | 1 | Lahash | 1 |
| Longespee | 273 | Lepida | 6 | Leathers | 1 | Luitgarde | 4 | Lilith | 1 |
| Ludlow | 7 | Lud | 4 | Linde Brickers, Vander | 1 | Lascelles | 9 | Leviticus | 1 |
| Ludlowe | 6 | Levi | 20 | LARSEN | 6 | LEDES | 5 | Lost Tribes | 1 |
| Lingen | 2 | Laban | 23 | LARSDATTER | 2 | Lotharingia | 3 | Laodice | 1 |
| Llewelyn | 250 | Levi ben Jacob | 27 | Loudham | 2 | LEEKE | 5 | Longimanus of Xerxes I | 1 |
| Lusignan | 386 | Luxemburg | 36 | LETTYCE | 1 | Luvetot | 11 | Lausatia | 2 |
| Londres | 39 | Lemech | 4 | LINGO | 2 | Luterel | 3 | Lenzburg | 4 |
| Longchamp | 58 | Lemech [Of The Ark] | 3 | LOVERNING | 1 | Luttrell | 2 | - | - |
| Llywarch | 77 | lombardie | 1 | Leisure | 2 | Lynde, la | 8 | - | - |
| Leon | 74 | Lombardie, De | 1 | LOVELL | 19 | Llawen | 1 | - | - |
| Limoges | 154 | Liege | 2 | LAMB | 1 | Logenahe | 6 | - | - |
