| Families |
Ethnic Group |
Branch of |
| Landers |
|
Lamont |
| Larnach |
|
MacLaren |
| Leash |
|
Lacy |
| Leckie |
Gaels |
|
| Lee |
IVL - Ireland |
|
| Lennox |
Gaels |
|
| Lenny, Lennie |
|
Buchanan |
| Leslie |
IVL - Ireland |
|
| Leslie |
Normans |
|
| Lindsay |
IVL - Ireland |
|
| Lindsay |
Normans |
|
| Linklater |
|
Sinclair |
| Livingston |
Normans |
|
| Livingstone |
Gaels |
|
| Logie |
Cruithne |
|
| Londrigan |
|
O'Lonergan |
| Lorrigan |
|
O'Lonergan |
| Love |
|
MacKinnon |
| Love |
IVL - Ireland |
|
| Lucas, Luke |
|
Lamont |
| Lucas, Luke |
IVL - Ireland, South Scotland |
|
| Lynch |
Normans |
Tribes of Galway |
| Lyon |
IVL - South Scotland |
|
| MacAdam |
|
MacGregor |
| MacAdam |
IVL |
|
| MacAdam |
Normans |
Barry |
| MacAfee |
|
MacFie |
| MacAlarry |
|
O'Harra |
| MacAldonich |
|
Buchanan |
| MacAlduie |
|
Lamont |
| MacAleevy |
|
MacDonlevy |
| MacAlister |
Laigin |
MacDonald (Clan Donald) |
| MacAllan |
|
MacDonald (Clan Donald) |
| MacAllan |
|
MacFarlane |
| MacAllan |
|
MacKay |
| MacAllan |
IVL - South Scotland |
|
| MacAlpin |
|
MacGregor |
| MacAndeoir |
|
MacNab |
| MacAndrew |
|
Ross |
| MacAndrew |
Normans |
Barrett |
| MacAngus |
|
MacInnes |
| MacAnully, Knally |
|
MacNally |
| MacArthur |
Laigin |
|
| MacAskill |
|
MacLeod |
| MacAulay |
|
MacLeod (Lewis) |
| MacAulay, MacAwlay |
Gaels |
|
|