Vale of Lanherne (EN) / Nans Lannhernow (KW)

Hundred: 
Elements: 

Hernow

This refers to the name of a person: 
name

lann

Meaning: 
enclosure

nans

Meaning: 
valley
Elements notes: 
<nans> 'valley' + <lann> 'enclosure' + <hernow> obscure possibly a personal name
Historic forms: 
Vale of Lanherne 1836 Vale of Mawgan or Lanherne 1906