High Quality Content by WIKIPEDIA articles! Wallingford was a constituency in the House of Commons of the Parliament of the United Kingdom.It was a parliamentary borough created in 1295, centred on the market town Wallingford in Berkshire (now in Oxfordshire). It used to return two Members of Parliament (MPs) to the House of Commons; this was cut to one in 1832, and the constituency was abolished in 1885. The town of Wallingford is now within the constituency of Wantage.