Isle of Anglesey County Council Llaneilian (Llaneilian/Rhosybol), Llanfaethlu (Llanfachraeth/Llanfaethlu/Llanrhuddlad ward* of Cylch-y-Garn), Llanfair-yn-Neubwll (Bodedern/Llanfair-yn-Neubwll), Llanfihangel Ysgeifiog (Llanfihangel Ysgeifiog/Penmynydd), Llangoed (Llangoed and Penmon), Llanidan (Llanddaniel Fab/Llanidan), Llannerch-y-medd (Llannerch-y-medd/Tref Alaw), London Road (London Road ward* of Holyhead town), Maeshyfryd (Maeshyfryd ward* of Holyhead town), Mechell (Mechell/Llanfairynghornwy ward* of Cylch-y-Garn), Morawelon (Morawelon ward* of Holyhead), Moelfre (Moelfre), Parc a'r Mynydd (Parc a'r Mynydd ward* of Holyhead town), Pentraeth (Llanddona/Pentraeth), Porthyfelin (Porthyfelin ward* of Holyhead town), Rhosneigr (Rhosneigr ward* of Llanfaelog), Rhosyr (Rhosyr), Trearddur (Rhoscolyn/Trearddur), Tudur (Tudur ward* of Llangefni Town), Tysilio (Tysilio ward* of Menai Bridge) and Valley (Valley). <nowiki>*</nowiki> A review of electoral arrangements on Anglesey by
Anglesey been divided into the "cantrefi" of Aberffraw, Rhosyr and Cemaes. During the First World War, the Presbyterian minister and celebrity preacher John Williams toured the island as part of an effort to recruit young men to volunteer for a “just war”. German POWs were kept on the island. By the end of the war, approximately 1,000 of the island's men had died while on active service. In 1936 the NSPCC opened its first branch on Anglesey. During the Second World War, Anglesey received Italian POWs. The island was designated a reception zone, and was home to evacuee children from Liverpool