abstract:Beaumaris was a parliamentary borough in Anglesey, which returned one Member of Parliament (MP) to the House of Commons of the Parliament of England from 1553, then to the Parliament of Great Britain from 1707 to 1800 and to the Parliament of the United Kingdom from 1801 to 1885, when the constituency was abolished. After 1832, the constituency was usually known as the Beaumaris District of Boroughs or simply the Beaumaris Boroughs.