Background
He was born to Chakkalapadikkal Ninan Varghese and Aleyamma.
He was born to Chakkalapadikkal Ninan Varghese and Aleyamma.
He completed his primary education in Saint Mary's L.P.School, Thevarakuzhy, upper primary education in March Severios Memorial School, Kadapra - Mannar, and secondary education in Saint Mary's School, Niranam and in Saint Thomas School, Thevery. He completed his higher secondary education in Saint Berchman’s College, Chenganacherry.
He joined the Minor Seminary of the Eparchy of Tiruvalla on 10 June 1974. He was sent to Papal Seminary, Pune, for his philosophical and theological studies. He was ordained priest on 30 December 1985.
Later he served as the Vicar of parishes at Kumali, Vandanmedu, Chettukuzhy, Mulakkaramedu, Kattapana, Pazhayarikandom, Niranam East (Alamthuruthy).
In 1988, he was appointed the secretary to His Excellency Geevarghese March Timotheos. Meanwhile, he was the vicar of parishes at Niranam central and Pandankari.
In 1989, he was given the charge of the co-ordinator of the Malankara Catholic Community in Delhi. He was sent to Rome for higher studies in Canon Law.
He obtained a doctorate in Canon Law from Pontifical Oriental Institute, Rome.
After his studies he rendered his services as the Chancellor, and the Judicial Vicar of Eparchy. Pope John Paul II appointed him Auxiliary Bishop of the Eparchy of Tiruvalla on 5 July 1997. He was ordained bishop on 17 July 1997 by Metropolitan Geevarghese March Timotheos, at Street.John’s Cathedral, Tiruvalla.
On 15 January 2003, he was appointed first Metropolitan of the Eparchy of Muvattupuzha and was enthroned on 6 February 2003.
March Koorilos was appointed as the second Metropolitan Archbishop of the Archieparchy of Tiruvalla on 26 March 2007, and was installed on 2 May 2007. As of 2013 he was the Secretary of the Holy Episcopal Synod of the Syro-Malankara Catholic Church.