- L'ESTOURGEON
- L'ISLE
- LA'CAS
- LABDON
- LABY
- LACHESNEZ-HEUDE
- LADD
- LAHIFF
- LAIDLAW
- LAKE
- LAMBERT
- LAMKIN
- LAMONT
- LAMOTHE
- LAMPERT
- LAMPHEE
- LAMPHRY
- LAMPREY
- LANCEFIELD
- LANE
- LANG
- LANGBAIN
- LANGDALE
- LANGDON
- LANGDON*
- LANGHAM
- LANGLEY
- LANGLOIS
- LANGSFORD
- LANIS
- LANKSHEAR
- LANNIS
- LANTAFF
- LANTEIGNE
- LAPHAM
- LAPIERRE
- LAPP
- LARCOMBE
- LARKIN
- LAROCQUE
- LARSEN
- LARWOOD
- LASKUS
- LATHAM
- LATHLEAN
- LATTER
- LATTIMER
- LAUDER
- LAUET
- LAUGHTON
- LAUNDER
- LAURENCE
- LAURIN
- LAVER
- LAVINGTON
- LAVOR
- LAW
- LAWN
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- LAWRENCE
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- LAWSON
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- LE PAGE
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- LE QUESNE
- LE ROY
- LE TANKERSLEY
- LE TORT
- LE TYAS
- LEACH
- LEADER
- LEAK
- LEAKEY
- LEAL
- LEAN
- LEAR
- LEASK
- LEAVER
- LEBOUTHILLIER
- LEBRETON
- LEE
- LEEDER
- LEELAND
- LEFEUVRE
- LEFEVRE
- LEGGE
- LEGGETT
- LEGGO
- LEHMANN
- LEIGH
- LEJEUNE
- LELAND
- LELLO
- LEMAINERE
- LENNARD
- LENNON
- LENTON
- LEPPER
- LESLIE
- LESLIE (BADMAN)
- LEVENWORTH
- LEVESQUE
- LEVETT
- LEVETT-SCRIVENER
- LEVETT(-MIREHOUSE)
- LEVETT(-SCRIVENER)
- LEVICK
- LEVITT
- LEWIN
- LEWIS
- LEY
- LIDDLE
- LIHOU
- LILBURN
- LILL
- LILLEY
- LIM
- LIMB
- LINDLEY
- LINDNER
- LINDSAY
- LINDSEY
- LINESS
- LINKE
- LINTON
- LINTOTT
- LISBELT
- LISTER
- LITHGOW
- LITTLE
- LITTLEWOOD
- LIVINGS
- LIVINGSTON
- LIVINGSTONE
- LLEWELYN
- LLOYD
- LLOYD-JOHNES
- LOADER
- LOBDELL
- LOCHRIE
- LOCHRIN
- LOCK
- LOCKE
- LOCKETT
- LOCKHART
- LOCKWOOD
- LOCKYER
- LODDER
- LODGE
- LOECHEL
- LOF
- LOFTUS
- LOGAN
- LOGGIE
- LOGIE
- LOGUE
- LOMAS
- LOMAX
- LOMMAN
- LONG
- LONGMUIR
- LOOK
- LOPDELL
- LORD
- LOUERMAN
- LOULAKIS
- LOUP
- LOVEDAY
- LOVEGROVE
- LOVELL
- LOVELOCK
- LOVETT
- LOW
- LOWE
- LOWER
- LOWN
- LOWRIE
- LOWRY
- LOWRY-CORRY
- LUCAS
- LUCK
- LUKE
- LUKEHAM
- LUMBER
- LUMLEY
- LUNDBERG
- LUNN
- LUSCOMBE
- LUSH
- LUSHEY
- LUTTRELL
- LYALL
- LYAS
- LYDIATT
- LYMAN
- LYNCH
- LYNDON
- LYNN
- LYON
- LYONS
- LYSAGHT
- LYTH
- LYTLE