| 303 | NANCOLLINS(AS) | Egloshayle | 1700-1800 | |||||
| 205 | NESS | Fifeshire | 1780+ | |||||
| 349 | NEWCOMBE | Cothele | 1700-1800s | |||||
| 349 | NEWCOMBE | Penryn / St. Gluvias | 1800-1900s | |||||
| 205 | NEWMAN | Lidlington, Bedfordshire | c1650 | |||||
| 743 | NICHOLAS | Truro | c1600s | |||||
| 357 | NICHOL | St. Stephen by Saltash | 1725-1875 | |||||
| 445 | NICHOLAS | St. Buryan | All | |||||
| 706 | NICHOLAS | Sennen | 1700+ | |||||
| 357 | NICHOLLS | St. Stephen by Saltash | 1725-1875 | |||||
| 445 | NICHOLLS | Camborne | pre1676 | |||||
| 666 | NILE | St. Michael Penkivel | 18-19C | |||||
| 445 | NORMAND | Gerrans | pre1650 | |||||
| 051 | NORTH | Berkshire | 1850+ | |||||
| 071 | NORTHEY | Chacewater | c1800s | |||||
| 699 | NORTHEY | Truro / Camborne | 1850+ | |||||
| 661 | NUTE | St. Teath | c1800s | |||||
| 205 | NYLE | Altarnun | c1700 | |||||