Born in Greenwood, MS, on March 4, 1938, Bishop Sam G. Jacobs was reared in Lake Charles, LA. He studied at Immaculata Seminary in Lafayette from 1951-57 and Catholic University of America in Washington, D.C., from 1957-64. He was ordained to the priesthood for the Diocese of Lafayette by Auxiliary Bishop Warren L. Boudreaux in 1964. Bishop Jacobs served as pastor, chaplain and associate pastor of several parishes in the Diocese of Lafayette and the Diocese of Lake Charles. He has served as chairman of the National Service Committee for the Charismatic Renewal and diocesan director of Vocations and Seminarians for the Diocese of Lake Charles. He formerly served as a Board member for Cross Catholic Outreach and is now an Advisor. Bishop Jacobs was appointed the 10th Bishop of Alexandria in 1989 and was ordained by Archbishop Francis B. Schulte and co-consecrators Bishop Warren L. Boudreaux and Bishop Jude Speyrer. Bishop Jacobs was installed as the Third Bishop of Houma-Thibodaux on Oct. 10, 2003.
On Oct. 30, 2013, Bishop Jacobs formally retired, and is now Bishop Emeritus of Houma-Thibodaux.
In 2014, Bishop Jacobs celebrated two significant anniversaries, 50 years of priesthood on June 6 and 25 years of episcopacy (bishop) on August 24.