This refers to the name of a person:
name
St Ervan (EN) / S. Ervan (KW)
Type:
Parish:
Hundred:
Elements notes:
<sen/synt> 'saint' + <Ervan> personal name
Historic forms:
Ermete 1208, Sanctus Hermes 1210, 1258, 1291, Sanctus Ermetis 1275, 1333, 1348, 1349, 1366, de Ermet' 1327, Seint Erven 1397, Seynt Ervyn 1474, Erven 1535, St Eruan 1584, St Tervan 1727.