[1] The son of John Marshall, who in the premiership of Sir Robert Peel was government agent for colonising New South Wales, he was educated at Trinity College, Cambridge, where he graduated B.A.
[2] In 1844, before his conversion, Marshall published Notes on the Episcopal Polity of the Holy Catholic Church: with some Account of the Development of the Modern Religious Systems.
London, 1862, went through several editions in the UK and the United States; it was translated into French and other European languages, and Pope Pius IX awarded the author the cross of the Order of St. Gregory.
His other works include:[2] He contributed to The Tablet series of articles on "Religious Contrasts", 1875–6, on "The Protestant Tradition", June–December 1876, and on "Ritualism", 1877 (incomplete).
London: Smith, Elder & Co. Media related to Thomas William Marshall (controversialist) at Wikimedia Commons