In 1843 William Deans and his brother John Deans took up residence at Putaringamotu or Potoringamotu (later Riccarton). This was near the Otakaro (later Avon) River, and established a farm and sheep run.
Graham M. Miller. 'Deans, John and Deans, William', Dictionary of New Zealand Biography, first published in 2010, updated February, 2006. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/1d7/deans-john (accessed 28 February 2020)