Óscar Julio Vian Morales was born on 18 October 1947 and died on 24 February 2018.
He was archbishop of the Roman Catholic Archdiocese of Guatemala from his appointment by Pope Benedict XVI on 2 October 2010 until his death from cancer.
Previously, he had served as archbishop of Los Altos in Guatemala.
Morales was born in Guatemala City, ordained a priest in 1976, and appointed Vicar Apostolic of El Petén in 1996.
Morales was installed as Archbishop of Los Altos on 17 April 2007.
Between 1997 and 2006, Morales also held various positions within the Episcopal Conference of Guatemala, was chairman of its liturgy ministry committee, and participated in its committees on land ministry, Caritas-social ministry, youth ministry, and education ministry.
Also to that Oscar chaired the Education Ministry Commission of Central America and Panama (CORECA).
Morales was appointed Archbishop of Los Altos Quetzaltenango-Totonicapán in 2007.
He was then sent to the post of Archbishop of Guatemala on 2 October 2010, he took possession of the see on 4 December 2010.
Morales died due to cancer in a Guatemala City hospital on 24 February 2018.