| Laborn | RYT 1586 |
| Laborne | BMI 1612 CLS 1613 HAM 1605 1610 |
| Labourne | WHK 1579 1580 1588 1605 1606 |
| Laburn | CLS 1592 GAT 1609 |
| Laburne | HAM 1597 1607 RYT 1607 1609 |
| Lackenbie | ELW 1601 1615 GRE 1588 1591 |
| Lackenby | SED 1612 |
| Laddly | CLS 1587 1592 |
| Ladkin | EAS 1576 |
| Ladlay | DSN 1579 |
| Ladler | ESH 1600 HSP 1605 RYT 1613 WHK 1603 1608 |
| Ladley | CLS 1593 1611 1611 1613 1613 DSN 1589 1594 |
| Ladlier | EAS 1584 |
| Ladly | EAS 1575 |
| Ladlye | DSO 1584 |
| Laeso | RYT 1614 |
| Laghtmader | GAT 1564 |
| Laiborn | GRE 1565 |
| Laiborne | BMI 1581 |
| Laine | DSO 1542 |
| Lainge | CLS 1599 |
| Laithe | HSP 1614 |
| Lamb | DSM 1586 DSN 1606 RED 1612 1613 1613 RYT 1610 |
| Lambard | DSO 1587 |
| Lambe | DSB 1584 DSM 1593 1598 DSN 1582 DSO 1585 1591 GAI 1574 MHE 1600 RED 1562 1578 SED 1581 1599 1609 1613 1614 TYN 1615 WHK 1583 |
| Lamber | DSO 1544 HSP 1595 |
| Lambert | BMI 1573 1574 1574 DSL 1578 DSM 1579 DSO 1574 1576 GRE 1581 1587 1593 1599 1615 HSP 1588 1591 RED 1561 |
| Lamberte | BMI 1615 GRI 1595 |
| Lambley | TYN 1613 |
| Lambt | BMI 1575 |
| Lambton | CLS 1586 |
| Lame | DSO 1553 1569 |
| Lampley | WLW 1605 |
| Lampton | AYC 1582 1592 HSP 1584 |
| Lamson | RYT 1599 |
| Lamsonn | HEI 1599 |
| Lamton | RED 1578 |
| Lanalye | DSO 1589 |
| Lancaster | CON 1590 HEI 1590 |
| Lanckton | TYN 1609 |
| Lang | GAT 1582 |
| Lange | DSN 1542 1542 EAS 1593 GAT 1582 HEI 1572 WBN 1588 WHK 1604 |
| Langergr | MER 1604 |
| Langham | SOC 1608 |
| Langholme | MER 1610 |
| Langhorne | BMI 1573 |
| Langley | GAT 1580 |
| Langly | DSO 1556 |
| Langstafe | DSO 1572 1574 HAM 1598 |
| Langstaff | AYC 1597 COC 1598 HEI 1597 STP 1613 |
| Langstaffe | AYC 1597 DSB 1604 GAI 1577 1606 1614 MER 1589 |
| Langton | EGG 1599 |
| Lanshe | BMI 1591 |
| Lanton | PIT 1599 |
| Largus | HSP 1608 |
| Lasenbie | LON 1600 |
| Lasenbye | BOL 1606 |
| Lasinbie | GRE 1579 |
| Lassells | DSO 1543 |
| Lateny | WBN 1612 |
| Latenye | WBN 1612 |
| Laton | EGG 1591 |
| Lauson | GAT 1561 |
| Lavericke | NSA 1610 SED 1609 |
| Laverock | HSP 1564 RYT 1605 |
| Laverocke | DSN 1585 RYT 1594 SED 1597 1606 |
| Lavorake | CLS 1594 |
| Lavorocke | RYT 1587 |
| Law | DSO 1578 GAT 1608 |
| Lawdon | DSM 1582 |
| Lawe | AYC 1583 CON 1613 DSB 1577 |
| Lawes | AYC 1600 CLS 1584 1588 DSM 1558 DSN 1547 EAS 1570 RYT 1605 |
| Lawrence | AYC 1585 |
| Lawry | HSP 1589 |
| Laws | CLS 1611 DSO 1555 1581 |
| Lawse | RYT 1612 |
| Lawson | BMI 1559 1590 BOL 1606 CLS 1592 DSM 1575 1576 DSN 1521 DSO 1538 1539 1539 1582 EGG 1600 GAI 1603 1612 GAT 1563 1578 1580 HEI 1603 1604 HEX 1588 1613 HSP 1606 HUR 1564 NSA 1601 1609 1615 RED 1561 1565 RYT 1600 1607 1609 1613 STP 1613 TYN 1615 WBN 1585 1612 WLW 1606 |
| Lawsone | GAT 1611 |
| Lawsonn | HEI 1593 |
| Lawsonne | GAI 1583 GAT 1567 1610 1612 |
| Lawston | NSA 1602 |
| Lawton | GAT 1608 |
| Lawye | RYT 1592 |
| Lawys | DSO 1544 |
| Lax | GAI 1582 MER 1580 1591 1603 1605 1609 SED 1590 WIT 1603 |
| Laxe | CLS 1588 HSP 1581 1588 MER 1591 1611 SED 1613 |
| Layborne | BMI 1587 1589 DSO 1598 |
| Laycock | WHK 1604 |
| Layng | DSO 1541 |
| Laynge | DSO 1544 HEX 1595 |
| Laysinbie | DSL 1596 |
| Laysinbye | DSO 1598 |
| Layton | DSO 1591 HSP 1605 1614 HUR 1572 SED 1593 1601 1605 |
| Leadbitter | GAT 1579 HEX 1581 1585 1585 1586 1591 1610 1615 |
| Leaddalle | DSL 1608 |
| Leang | WBN 1600 |
| Leanwood | HEI 1610 HEX 1587 |
| Learman | HSP 1588 |
| Learmouth | TYN 1614 |
| Leaver | DSL 1602 |
| Leburne | DSO 1589 |
| Leck | RYT 1605 |
| Lecke | RYT 1583 |
| Leckenby | EAS 1575 |
| Lectu? | AYC 1609 |
| Ledall | HEI 1591 |
| Leddell | DSO 1572 1574 |
| Ledell | DSO 1540 1542 1544 1559 WLW 1558 |
| Ledome | WLW 1585 |
| Ledu | AYC 1606 |
| Lee | DSN 1593 1599 1603 1614 1615 DSO 1540 1587 GAT 1572 1578 GRE 1594 HEX 1587 1590 1599 1612 MED 1608 MER 1612 SED 1603 TYN 1611 WHK 1606 1611 |
| Leech | WHK 1605 |
| Leeke | CLS 1590 WHK 1584 |
| Leeming | GRE 1599 |
| Leere | WBN 1598 |
| Lees | EAS 1575 HSP 1605 |
| Leester | BMI 1613 1614 |
| Leethe | MHE 1604 |
| Leeyer | DSB 1613 |
| Legerton | CLS 1608 |
| Leiceman | HEX 1581 |
| Leie | HEX 1586 |
| Leigh | CLS 1587 HAM 1607 |
| Leighley | WLW 1613 |
| Leinskill | MER 1593 |
| Leming | WHK 1594 |
| Lenewood | HEX 1588 |
| Lenge | TYN 1610 |
| Lennan | PIT 1586 |
| Lentone | BMI 1567 |
| Lenwood | HEX 1581 1585 1588 1599 1599 1614 |
| Leon | HAM 1581 |
| Leper | DSM 1591 DSN 1582 1599 |
| Lettane | WBN 1603 |
| Lettenny | WBN 1614 |
| Lettony | DSN 1561 |
| Lev | DSL 1575 |
| Lever | DSL 1577 |
| Lewan | HSP 1607 |
| Lewaynes | GAT 1564 |
| Lewen | BOL 1614 |
| Ley | STP 1614 |
| Leye | BOL 1581 |
| Liburne | EGG 1579 |
| Lickborne | AYC 1615 |
| Liddall | CLS 1613 GST 1584 |
| Liddel | RYT 1608 |
| Liddell | CLS 1586 1609 1615 DSM 1596 HEX 1579 1581 1592 1597 1598 1600 1611 1615 HSP 1581 MER 1606 1608 1615 NSA 1589 1602 PIT 1584 WLW 1613 |
| Lidderdell | HEX 1605 |
| Liddle | BMI 1606 1608 1613 DSN 1591 NSA 1615 PIT 1614 RYT 1601 |
| Liddlee | EAS 1592 |
| Lidell | ELW 1606 HEX 1590 HSP 1610 |
| Lidle | HEX 1604 |
| Lighe | BOL 1592 |
| Lighlte | GAT 1577 |
| Lightharness | RYT 1605 |
| Lightmaher | GAT 1566 |
| Lightmaker | GAT 1566 |
| Lighton | EAS 1606 GAT 1567 HEX 1586 1588 MHE 1605 NSA 1608 PIT 1600 WHK 1607 |
| Lilborne | BOL 1603 RYT 1611 |
| Lilbourne | WHK 1606 |
| Lile | WHK 1609 |
| Liles | WHK 1605 |
| Lillam | EGG 1594 |
| Lillie | LON 1582 |
| Lin | HEI 1607 |
| Lindsey | RYT 1607 |
| Linley | GST 1584 |
| Linning | WHK 1608 |
| Linsdale | HSP 1590 |
| Linsdell | PIT 1591 |
| Linsey | NSA 1603 RYT 1615 |
| Linsley | AYC 1613 NSA 1598 |
| Linsleye | GAT 1610 |
| Linsty | RYT 1611 |
| Lirson | MER 1580 |
| Lishman | HEX 1587 1588 1591 1593 1594 1604 1607 |
| Lisle | HUR 1572 |
| Lisley | HSP 1582 1583 1589 |
| Lister | HEX 1612 HSP 1603 |
| Litester | HSP 1609 |
| Litle | GAT 1571 HEX 1612 |
| Litlefer | CLS 1605 |
| Litster | AYC 1597 BMI 1609 GRE 1582 1597 1602 1611 1615 HEI 1605 HSP 1583 PIT 1583 1593 TYN 1613 WHK 1614 |
| Litstere | BMI 1583 |
| Littell | GAT 1566 RYT 1614 |
| Little | DSM 1590 1595 GAT 1571 1615 HEX 1591 1609 1609 HSP 1563 NSA 1613 WHK 1583 1604 1610 |
| Littlefar | CLS 1599 |
| Littlefare | DSN 1583 1585 1602 HSP 1615 |
| Littlephare | DSN 1614 |
| Littler | RYT 1592 |
| Lockey | ESH 1595 MER 1611 |
| Lockie | BMI 1606 |
| Locksay | WHK 1607 |
| Lockson | ESC 1578 GST 1570 |
| Lockwoode | RED 1562 |
| Lodge | CLS 1591 1611 COC 1600 1600 1608 1614 CON 1596 DSM 1615 GAI 1599 HUR 1588 WLW 1584 1591 |
| Lodn | AYC 1597 |
| Lomlaie | DSO 1611 |
| Lomley | CLS 1598 1605 1606 DSO 1578 |
| Loncaster | WHK 1598 1607 |
| Lonesdayle | COC 1603 |
| Longcaster | HEX 1607 |
| Longester | HSP 1603 |
| Longking | LON 1575 |
| Longstaff | DSO 1605 |
| Longstaffe | BMI 1560 |
| Longstraffe | WLW 1589 |
| Lonsdale | EGG 1599 |
| Lonsdell | DSN 1544 GAI 1608 1611 |
| Loodge | HSP 1611 WIT 1577 |
| Lorance | HSP 1609 |
| Lorryman | AYC 1609 |
| Loumbly | COC 1604 |
| Loun | HEX 1585 |
| Lounsdail | SED 1605 |
| Louthar | GAT 1567 |
| Love | GRE 1591 NSA 1599 |
| Lowder | DSM 1583 SED 1613 1614 WHK 1606 1606 |
| Lowe | GAT 1609 |
| Lowes | CLS 1609 HEX 1581 1609 WHK 1597 |
| Lownesdell | DSM 1594 |
| Lownsdell | CLS 1602 |
| Lowper | DSN 1606 |
| Lowrey | WHK 1615 |
| Lowrie | RED 1579 WHK 1579 |
| Lowrye | CLS 1584 1600 1606 1607 DSO 1540 1590 HEX 1597 |
| Lowse | NSA 1599 |
| Lowson | AYC 1601 CLS 1584 1598 1600 1609 1611 CON 1599 DSN 1576 DSO 1538 1572 1577 HSP 1603 |
| Lowther | GRE 1596 1609 WHK 1594 |
| Loxon | DSN 1605 GAI 1611 |
| Lucas | BMI 1583 |
| Lucke | CLS 1614 |
| Ludg | COC 1583 1584 1597 |
| Ludge | HSP 1606 |
| Ludworth | DSN 1579 1608 GAT 1582 |
| Lufield | DSM 1591 |
| Lumbley | HEX 1609 |
| Lumley | AYC 1590 BMI 1611 HSP 1595 1612 SED 1609 WHK 1580 1597 1615 |
| Lumly | WHK 1608 |
| Lumlye | DSO 1582 |
| Lumsdell | CLS 1612 |
| Lut | HEX 1589 |
| Lute | RYT 1594 |
| Lyam | HEX 1580 |
| Lyddale | DSO 1592 |
| Lyddell | HEX 1607 WIT 1571 1596 |
| Lyddle | DSO 1589 HSP 1563 SED 1598 1599 |
| Lydell | HEX 1588 |
| Lydle | DSO 1601 SED 1603 |
| Lyell | WHK 1614 |
| Lyffe | DSM 1561 |
| Lyghtbowne | AYC 1562 |
| Lyghten | DSN 1546 |
| Lyghton | EAS 1576 1580 |
| Lylburne | HEX 1588 |
| Lyle | NSA 1608 WBN 1585 |
| Lylforth | AYC 1560 |
| Lylforthe | DSO 1586 1601 |
| Lyne | HUR 1585 |
| Lynesley | SED 1596 |
| Lynne | SED 1584 1591 1596 WIT 1600 |
| Lynnesley | HUR 1578 |
| Lynsley | HAM 1592 |
| Lynton | HEX 1612 |
| Lyon | CON 1590 HEX 1606 |
| Lyone | RYT 1601 |
| Lyshman | HEX 1613 |
| Lysle | HAM 1607 |
| Lyster | RED 1596 |
| Lytell | GAT 1564 1610 STP 1614 |
| Lyttell | HEX 1588 |
| Lyttle | GAT 1566 WIT 1584 |
| Lyttleshiell | HEX 1585 |
| Lyttleskeill | HEX 1585 1587 |