Commune/Paroisse : Petite-Synthe
| Patronymes | Périodes | Epoux | Epouses | |
|---|---|---|---|---|
| 1. | DECANT | 1808-1853 | 2 | 5 |
| 2. | DECANTER | 1811 | 1 | - |
| 3. | DECANTS | 1837-1898 | 5 | 2 |
| 4. | DECARNE | 1806-1862 | 1 | 1 |
| 5. | DECHAMPS | 1803-1806 | 1 | 2 |
| 6. | DECLERC | 1844 | - | 1 |
| 7. | DECLERCK | 1823-1897 | 10 | 16 |
| 8. | DECLERCQ | 1808-1866 | 4 | 3 |
| 9. | DECLOEDT | 1889 | 1 | - |
| 10. | DECOESTER | 1850 | - | 1 |
| 11. | DECONINCK | 1836-1878 | 4 | 1 |
| 12. | DECOO | 1882-1886 | - | 2 |
| 13. | DECOOKER | 1855-1858 | - | 2 |
| 14. | DECOOL | 1874 | 1 | - |
| 15. | DECOONINCK | 1882 | 2 | - |
| 16. | DECOURT | 1850-1894 | 4 | 1 |
| 17. | DECOUSSER | 1900 | 1 | - |
| 18. | DECQUE | 1865 | 1 | - |
| 19. | DECROCQ | 1894-1900 | - | 2 |
| 20. | DECROIX | 1814 | 1 | - |
| 21. | DECROOCQ | 1902 | - | 1 |
| 22. | DECROOS | 1873 | - | 1 |
| 23. | DECRUISE | 1852 | - | 1 |