St Thomas’ parish has been served by almost 20 parish priests since its establishment in 1861.
It is a good and holy thing to pray for those men who served our community. Some have died and others have retired.

| James McNamara | 1863 – 1880; † |
| Bernard Tracy | 1880 – 1893; † |
| Duncan Brown | 1893 – 1900; † |
| Aloysius Reifenrath | 1900 – 1924; † |
| John F. Clark | 1924 – 1931; † |
| John Ashe | 1931 – 1938; † |
| Joseph Costeur | 1938 – 1941; † |
| James Hogan | 1941 – 1945; † |
| Gerald McDade | 1945 – 1947; † |
| Daniel McGlinchey | 1947 – 1951; † |
| Richard Fennessy | 1951 – 1959; † |
| Donald Bonnar | 1959 – 1968; † |
| Vincent Grace | 1968 – 1971; † |
| James J. Sheehan | 1971 – 1980; † |
| James Murphy | 1980 – 1990; † |
| John McElroy | 1990 – 1999; retired, St Mary’s, Paisley |
| Bernard J. Canning | 1999 – 2007; retired, Holy Rosary Residence, Greenock |
| James Cunnigham | 2007 – 2015; retired, St Charles’, Paisley |
| Joseph Balmer | 2015 – 2022 |