 Hers was the first official Aboriginal/settler marriage in South Australia.The Adelaide area was inhabited long before European settlement in 1836 by one of the tribes which later came to be known as the Kaurna people, or Adelaide tribe.The square was named on 23 May 1837 after Arthur Wellesley, 1st Duke of Wellington, Irish-born field marshal and statesman, victor at Waterloo and Prime Minister of the United Kingdom from 1828 to 1830, who is credited with securing the passage of the "South Australia Foundation Act" through the British House of Lords in 1834.