| Parents | Late. Mr. William G. Mathias Mrs. Martina D'Souza |
| Birth | September 20, 1953 |
| Minor Seminary | St. Paul's Seminary, Lucknow |
| Philosophy & Theology | St. Charles' Seminary, Lucknow |
| B.A. | Nagpur University, 1975 |
| Priestly Ordination | April 22, 1979, Lucknow |
| Doctorate | Sacred Theology (S.Th.D) Lateran University - Rome |
| Vice-Rector & Professor | St. Charles' Seminary, Nagpur 1988-1994 |
| Parish Priest | St. Joseph's Cathedral, Lucknow 1995-2000 |
| Episcopal Ordination | April 9, 2000 Chandigarh |
| Transferred to the Diocese of Lucknow | November 8, 2007 |
| Installed as the Bishop of Lucknow | Janurary 4, 2008 |