| Diocesan Bishop | Most Rev. Dr. Gerald John Mathias |
| Patrons | St. Joseph, Spouse of Our Lady and St Francis of Assisi |
| Area | 45, 125 Sq. Kms |
| Population | Total 22, 681,894 (Catholics 7,600) |
| Languages | Hindi, Urdu, Awadhi and English |
| Former Prelates | Msgr. Joseph Angelo Poli, OFM Cap, Apostolic Administrator (1942 – 1947 resigned) Most Rev. Albert Conrad De Vito, OFM Cap, First Bishop of Lucknow (1947-1970) Rev. Mons. Pellegrino Ronchi OFM Cap, Adminsitrator (1970), later Bishop in Italy. Most Rev. Cecil De Sa (1971-1983) transferred as Archbishop of Agra Rev. Mons. Ignatius Martis (1983) Administrator Most Rev. Alan de Lastic (1984-1991) transferred as Archbishop of Delhi Mons. Oswald Lewis (1991-1993) Administrator Most Rev. Albert D'Souza (1993-2007) transferred as Archbishop of Agra Rev. Mons. Lancy Lobo (2007) Administrator |