He is the 43rd priest from the Cheruvillil family. C.M. Thomas served as the vicar of St. Peter's church, Puthencruz from 1959 while also serving churches at Mookkannur, Vellathooval, Keezhumuri, St. Peter's & St. Paul's Orthodox Church - Fort Cochin, Valamboor and later at Calcutta and Trichur. In 1960, while vicar at Puthenkurish, he played a key role in rebuilding the church; parishioners fondly recollect their priest working with them during the reconstruction.