| Dominique de Guzmán - Founder of the Dominican Order | Created the order in Toulouse in 1215. |
| Pons de Capdenier - Capital and donor | The acquisition of the land was completed in 1229. |
| Bertrand de Montaigu - Abbé de Moissac | Celebrated the inaugural Mass in 1292. |
| Guillaume-Pierre Godin - Cardinal patron | Financed the reconstruction of the nave in the 14th. |
| Maurice Prin - Honorary curator | Dedicating 60 years to the restoration of the monument. |
| Max Ingrand - Glass artist | Created contemporary stained glass (1951-1964). |