surnames ... L
| SURNAME | DATES | LOCATION | MEMBER |
|---|---|---|---|
| LAMB | Pre 1830 | Preston LAN | M61 |
| LAMB | 1840-1900 | Liverpool LAN | K15 |
| LAMB | 1840-1900 | Haskayne LAN | K15 |
| LANE | 1803 | DEV | B36 |
| LANGLEY | 1826-1900 | St Helens LAN | H55 |
| LANGTON | Post 1800 | LAN | J19 |
| LASSEY | 1803 | Leeds YKS | B36 |
| LATHAM | Pre 1820 | Tarleton LAN | L08 |
| LATHAM | 1799 | Liverpool LAN | J30 |
| LATHAM | 1600-1800 | Melling-in-Halsall LAN | L36 |
| LATHOM | 19th C | Bickerstaffe LAN | T37/38 |
| LAWSON | 1786 - 1800 | Burscough LAN | B94 |
| LAWSON | 1786 - 1800 | Ormskirk LAN | B94 |
| LAWSON | 1786 - 1800 | Aughton LAN | B94 |
| LAYCOCK | 1800-1880 | Lathom LAN | F32 |
| LEA | All | Ormskirk LAN | M80 |
| LEA | pre 1800 | Rufford LAN | M76 |
| LEA | Pre 1750 | Rufford LAN | S14 |
| LEADBEATER / LEADBETTER | 1860-1927 | Fleetwood LAN | R16 |
| LEADBEATER / LEADBETTER | 1760-1860 | North Meols LAN | R16 |
| LEADBEATER / LEADBETTER | 1433-1760 | Ormskirk LAN | R16 |
| LEATHERBARROW | 1750-1850 | W Lancs LAN | R30/31 |
| LEATHERBARROW | 1830-1950 | Liverpool LAN | C44 |
| LEATHERBARROW | 1770-1860 | Ormskirk LAN | C44 |
| LECONBY | 1794-1871 | Plumpton WRY | H58/59 |
| LEDSON | Pre 1800 | Melling LAN | S14 |
| LEDSON | Post 1890 | Melling LAN | H01 |
| LEE | 1700 - 1900 | LAN | S87 |
| LEE | 1718-1823 | Wootton OXF | H58/59 |
| LEE | 1800-1900 | Heywood LAN | W06 |
| LEIGH | All | Liverpool LAN | G18 |
| LEPPER | 1700-1800 | KEN | K10 |
| LEPPER | Post 1800 | LDN | K10 |
| LEYLAND | All | Lathom LAN | L11 |
| LILLY / LILLEY | All | SOM | L26/27 |
| LILLY / LILLEY | All | St Helens LAN | L26/27 |
| LINACKER | C.1890 | Everton, Liverpool LAN | C55 |
| LINACRE | Pre 1800 | Ormskirk LAN | H84 |
| LINAKER | C.1890 | Everton, Liverpool LAN | C55 |
| LIPTROT | All | W Lancs LAN | H64 |
| LISTER | 1785 | Leeds YKS | B36 |
| LITTLER | 1800-1900 | Southport LAN | F33 |
| LITTLER | 1800-1900 | CHS | F33 |
| LIVESAY | 1700-1800 | Scarisbrick LAN | P09 |
| LIVESEY | 1700-1800 | Preston LAN | P09 |
| LIVESEY | 1880-1990 | Scarisbrick LAN | T25 |
| LIVESEY | Pre 1810 | Ormskirk LAN | F34 |
| LOCK | 1530-1880 | Aller SOM | M59 |
| LOCK | 1530-1880 | Backwell SOM | M59 |
| LORD | 1800 | Rochdale LAN | M53/54 |
| LOWCOCK | 1735-1805 | Hampsthwaite WRY | H58/59 |
| LOWE | All | Lathom LAN | L41 |
| LOWE | 1830 | Burscough LAN | C37 |
| LOWE | All | Ormskirk LAN | L41 |
| LOWE | 1860 | Canals LAN | C37 |
| LOWE | All | Burscough LAN | L41 |
| LOWE | 1864 | Burscough LAN | C37 |
| LUCAS | 1750-1850 | Upholland LAN | Y12 |
| LUCAS | 1800-1900 | West Derby LAN | C33 |
| LUCAS | All | Ormskirk LAN | L11 |
| LUCAS | 1750-1850 | Tarbock LAN | Y12 |
| LUCAS | All | Lathom LAN | L11 |
| LUNT | Post 1841 | Aughton LAN | R52/53 |
| LUNT | Post 1841 | Maghull LAN | R52/53 |
| LYDIATT | Pre 1850 | Tarporley CHS | B84 |
| LYON | 1750-1850 | Mawdesley LAN | Y12 |
| LYON | 1750-1850 | Lydiate LAN | Y12 |
| LYON | All | Cunscough LAN | H91 |
| LYON | All | Bickerstaffe LAN | H91 |
| LYON | All | Melling LAN | H91 |
| LYON | Pre 1860 | Lathom LAN | O13 |
| LYON | Pre 1860 | Burscough LAN | O13 |
| LYONS | 1800-1905 | Liverpool LAN | J18 |