| James Livesey - Engineer and donor | Offered the land for construction in 1893. |
| Temple Moore - Architect | Author of the initial plans of the church. |
| Aaron Messiah - Local architect | Supervised the construction and expansion of 1903. |
| Bertrand Pleydell-Bouverie - Chapelain and artist | Made the painted decorations (1911-1913). |
| Ernesto Bellandi - Painter | Author of the altarpiece (Ascension, 1897). |
| Dr. Sandford - Bishop of Gibraltar | Consecrated the church in 1894. |