|Titular Archbishop of Nisibis dei Caldei|
|Church||Chaldean Catholic Church|
|See||Curial Bishop of the Patriarchate of Babylon|
|In office||2005 — 2015|
|Ordination||June 20, 1963|
|Consecration||September 26, 1997
by Raphael I Bidawid
25 February 1938 |
Mosul, Kingdom of Iraq
|Previous post||Archbishop of Erbil (1997-1999)|
Archbishop Mar Jacques Ishaq (born February 25, 1938) was a Curial Bishop of the Patriarchate of Babylon, Iraq, of the Chaldean Catholic Church. He served as locum tenens of the Patriarch of Babylon of the Chaldeans between the retirement of Emmanuel III Delly in December 2012 and the election of Louis Raphaël I Sako in January 2013.
Jacques Ishaq was born at Mosul, Kingdom of Iraq on February 25, 1938 and was ordained priest on June 20, 1963. On May 7, 1997, he was appointed Archbishop of Erbil he was consecrated bishop on September 26, 1997, by Patriarch Mar Raphael I Bidawid, Archbishop André Sana, and Bishop Emmanuel Delly. He retired on May 4, 1999.
Upon the retirement of Patriarch Mar Emmanuel III Delly, he served as locum tenens of the Patriarchate of Babylon of the Chaldeans until the election of Patriarch Louis Raphaël I Sako. In 2014 he retired as Curial Bishop of Babylon.