James Sambrook, ‘Walsh, Octavia (bap. 1677, d. 1706)’, Oxford Dictionary of National Biography, Oxford University Press, 2004 accessed 23 June 2017
James Sambrook, ‘Walsh, William (bap. 1662, d. 1708)’, Oxford Dictionary of National Biography, Oxford University Press, 2004; online edn, Oct 2005 accessed 25 June 2017