[8] Thomas Tharayil, born on 2 February 1972,[3] is the youngest son among the seven children of T. J. Joseph and Mariamma at Changanacherry,[3][4] Kottayam district, Kerala.
[3] He was ordained priest by Joseph Powathil on 1 January 2000, the Great Jubilee Year, at St Mary's Metropolitan Church, Changanacherry.
[10][3] He was visiting professor to St Thomas Apostolic Seminary, Vadavathoor, National Vocation Service Centre, Pune Dharmaram Vidya Kshetram and Institute of Formators, Bengaluru.
[5] The southern part of the Changanacherry Archeparchy consisting of Thiruvananthapuram, Kollam and Amboori Foranes is under the attention of Mar Thomas Tharayil.
On 30 August 2024, Raphael Thattil announced the election of Tharayil as the Metropolitan Archbishop of Changanacherry succeeding Mar Joseph Perumthottam.