The Reverend William Hackett SJ (2 May 1878 – 9 July 1954) was an Irish priest, noted for his involvement in nationalist politics in Ireland, and in the educational and intellectual life of Melbourne as Rector of Xavier College and the founder of the city's Central Catholic Library.
[4] During his years teaching at Clongowes, Milltown Park and in Limerick, he got to know many figures involved in nationalist politics, such as Robert Barton and Erskine Childers, and appears to have provided them and others with some assistance following the Easter Rising in 1916 and during the Irish Civil War.
[5] After a short stint teaching in Sydney, Hackett moved to Melbourne where he soon became the confidant of Archbishop Daniel Mannix.
Hackett served as Rector at Xavier College from 1935-1940, where his tenure was not uncontroversial due to clashes with alumni and his style of financial management.
[7] Following his removal from Xavier College, Hackett focused his energies on his true love – the Catholic Library, as well as trying to navigate the increasingly muddy waters of Australian Catholic politics in the lead up to the split of the Australian Labor Party.