Michael Slattery (1783–1857) was a Roman Catholic clergyman who served as the Archbishop of Cashel & Emly from 1833 to 1857.
He entered Trinity College Dublin when only fifteen years of age, one of the first Catholics to do so, earning a Bachelor of Arts degree in 1804.
[3] In 1832 he we elected president of the St Patrick's College, Maynooth;[1] in 1833 he was elected to succeed Archbishop Robert Laffan as head of the Roman Catholic Archdiocese of Cashel and Emly, and was installed at Thurles Cathedral on 24 February 1834.
[1][2] Slattery was a moderate Nationalist and supported Daniel O'Connell, but also spoke out against more militant nationalism.
[4] In 1842 Slattery established a foreign mission department in St. Patrick's College, Thurles.