Commune/Paroisse : Morangis [Essonne] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | Radoue | 1607 | - | 1 |
| 2. | Raffroidy | 1771 | 1 | - |
| 3. | Rameau | 1804 | 1 | - |
| 4. | Ravaux | 1870 | - | 1 |
| 5. | Renault | 1861 | 1 | - |
| 6. | Reny | 1858 | 1 | - |
| 7. | Rety | 1813-1841 | 3 | - |
| 8. | Rey | 1883 | 1 | - |
| 9. | Ribault | 1821 | 1 | - |
| 10. | Rigault | 1732-1742 | - | 2 |
| 11. | Rilliet | 1798 | - | 1 |
| 12. | Riou | 1683-1726 | 2 | - |
| 13. | Robillard | 1876-1905 | 1 | 3 |
| 14. | Roger | 1633-1771 | 4 | 3 |
| 15. | Roinville | 1744-1803 | 3 | 1 |
| 16. | Rosset | 1882 | 1 | - |
| 17. | Rothmann | 1888 | - | 1 |
| 18. | Rouillot | 1764-1784 | 1 | 2 |
| 19. | Rousseau | 1879 | 1 | - |
| 20. | Roux | 1613-1874 | 5 | 8 |
| 21. | Rozenseig | 1768 | - | 1 |
| 22. | Ruelle | 1719 | 1 | - |
