The 12 surnames begin with Lu

• Lucas (6)
• Luckett (4)
• Luckin (2)
• Luff (6)
• Lulham (7)
• Lupton (2)
• Lusted (2)
• Luttman (1)
• Luttrell (1)
• Luxfold (1)
• Luxford (2)
• Luxton (2)