Mawgan Porth (EN) / Porth Gluwyan (KW)

Hundred: 
Elements: 

Gluwyan

Meaning: 
?Obscure possible family name

porth

Meaning: 
cove, gate, harbour
Elements notes: 
porth 'cove, harbour' + Gluwyan poss. family name
Historic forms: 
Porthglyvyon 1334, Porth Glivion 1345, Porth Gluvian c1530, Porthmawgan 1755