William Mullally (Irish Ulliam Ó Maolalaidh), whose family name also appears as Ó Mullally, O'Mullally, Lally, Laly or Lawly, was Archbishop of Tuam in the Church of Ireland from 1573 to his death in 1595.
[1] Entering the University of Oxford, he became a member of New Inn Hall and was awarded a bachelor's degree in canon law in 1555.
[citation needed] Appointed by Queen Elizabeth I, he was consecrated Archbishop of Tuam on 14 April 1573.
[4] He was a member of the government's Commission for the Pacification of Connaught, some sources say acting as Chief Commissioner.
His eldest surviving son was reported as not succeeding to his father's lands until 1618 and a daughter is said to have married Richard Bermingham, 11th Baron Athenry.