Bishop Wm. Michael Mulvey, STL, DD was born Aug. 23, 1949 in Houston TX., the second of six children, to Daniel H. Mulvey Jr. and Marjorie Jane Patterson Mulvey. He has 12 nieces and nephews. All of his education was completed at Catholic schools including St. Theresa and St. Cecilia in Houston and St. Thomas High School in Houston (1963-1966). He was confirmed by Bishop Wendelin J. Nold at St. Cecilia Parish in Houston. He attended St. Edward's Catholic High School in Austin (1967) and St. Edward's University, where he graduated in 1971 with a BBA.

He attended seminary at the North American College in Rome from 1971-1976. From 1971-1974 he earned his bachelor's degree of Sacred Theology from St. Thomas University (Angelicum) and from 1974-1976, he earned his licentiate (master's degree) in Sacred Theology from Gregorian University. He was one of 359 priests ordained by Pope Paul VI in 1975 in St. Peter's Square.

He was ordained a priest for the Diocese of Austin. As a priest of the Diocese of Austin, Bishop-Elect Mulvey has had the following assignments:

1976 - 1977: Associate Pastor St. Mary/Our Lady of Guadalupe Parishes in Taylor
1977 - 1980: Associate Pastor St. Louis Parish in Austin
1980 - 1981: Further studies on a sabbatical with the Focolare Movement
1981 - 1986: Chaplain to Reicher Catholic High School in Waco
1984 - 1986: Pastor of St. Joseph Parish in Waco
1986 - 1992: Director of Spiritual Formation at St. Mary's Seminary in Houston
1992 - 1995: Pastor of St. Thomas Aquinas Parish in College Station
1995 - 1997: Associate Director of Center for Spirituality for Diocesan Priests of the Focolare Movement in Florence, Italy
1997 - 1999: Director of Center for Spirituality for Diocesan Priests of the Focolare Movement in Hyde Park, N.Y.
1999 - 2004: Pastor of St. Helen Parish in Georgetown
2004 - 2007: Chancellor of the Diocese of Austin
2007 - 2009: Vicar General of the Diocese of Austin
August 2009: Vice Rector, St. Mary's Seminary in Houston
August 24, 2009: Appointed Administrator of the Diocese of Austin