Educated at Kelham Theological College, he was ordained in 1960[1] and began his ecclesiastical career with a curacy at All Saints Port of Spain. After this he served incumbencies at St. Stephen's, Princes Town The Good Shepherd, Tunapuna and All Saints’ Church, Newtown.[2] Later he was Dean of Holy Trinity Cathedral in Port of Spain[3] before his elevation to the episcopate in 1992, serving for ten years.
Douglin died on 6 April 2023, at the age of 90.[4]