| Surname | Country | County | Time Period |
| LAJEUNESSE | France | Aunis | 1600's |
| LANGER | Wimpassin | ||
| LEBLANC | Canada Canada |
Bay St.
George, Nfld. Acadia |
1847-Present 1600 |
| LEES | Scotland | Sorn, Ayr | 1700 - 1800's |
| LEGGE | Canada | Bay St. George, Nfld | 1874-Present |
| LINNEL | England | NTH,Northampton | 1820-1870 |
| LITHERLAND | England | Cheshire (Manchester) | 1895 |
| LITTLE | Scotand | PEE,Tweedsmuir/DUM,Moffat | 1750-1880 |
| LOAKE | England | NTH,Draughton/Upton | 1820-1900 |