| Patronyme | Commune | Département | Naissance | Décès | Union | Date début | Date fin |
|---|---|---|---|---|---|---|---|
| FAGOO | Beveren/Yzer | West Vlaanderen | 1 | 1 | 1 | 1729 | 1762 |
| FANCHON | Grande Synthe | Nord | 0 | 0 | 1 | 1794 | 1794 |
| FAQUET | Chatelineau | non défini | 1 | 0 | 0 | 1886 | 1886 |
| FASTRE(Z) | Peruwelz | non défini | 0 | 1 | 1 | 1746 | 1790 |
| FASTREZ | Peruwelz | non défini | 1 | 1 | 0 | 1748 | 1811 |
| FATOU | Dunkerque | Nord | 1 | 0 | 0 | 1829 | 1829 |
| FATOU | Fort Mardyck | Nord | 2 | 0 | 2 | 1853 | 1890 |
| FATOU | Grande Synthe | Nord | 1 | 0 | 0 | 1865 | 1865 |
| FAUVERGHE | Petite synthe | Nord | 0 | 1 | 1 | 1734 | 1734 |
| FAUVERGHE | Wormhout | Nord | 0 | 0 | 1 | 1789 | 1789 |
| FAVEY | Poperinge | West Vlaanderen | 1 | 1 | 0 | 1803 | 1840 |
| FAVEY | Watou | West Vlaanderen | 0 | 0 | 1 | 1828 | 1828 |
| FERMIN | Winnezeele | Nord | 0 | 0 | 1 | 1668 | 1668 |
| FERMYN | Les Moëres | Nord | 0 | 0 | 1 | 1863 | 1863 |
| FERMYN | Saint-Omer | Pas de calais | 1 | 0 | 0 | 1843 | 1843 |
| FEVER | Poperinge | West Vlaanderen | 0 | 0 | 1 | 1819 | 1819 |
| FIEVET | Marck | Pas de Calais | 1 | 1 | 1 | 1672 | 1754 |
| FINE | Etterbeck | non défini | 0 | 1 | 2 | 1738 | 1809 |
| FIORINE | Castione | Canton | 1 | 0 | 0 | 1725 | 1725 |
| FIORINE | Roesbrugge-Haringe | West Vlaanderen | 6 | 1 | 0 | 1791 | 1893 |
| FIORINE | Veurne | West Vlaanderen | 0 | 3 | 0 | 1849 | 1890 |
| FIORINE | Vlamertinge | West Vlaanderen | 0 | 0 | 1 | 1755 | 1755 |
| FIORY(I)NE | Castione | Canton | 1 | 0 | 0 | 1758 | 1758 |
| FIORY(I)NE | Roesbrugge-Haringe | West Vlaanderen | 0 | 1 | 1 | 1791 | 1840 |
| FOCKENOY | Haringe | West Vlaanderen | 1 | 0 | 0 | 1672 | 1672 |
| FOCKENOY | Roesbrugge-Haringe | West Vlaanderen | 0 | 2 | 2 | 1657 | 1719 |
| FOCQUENOY | Roesbrugge-Haringe | West Vlaanderen | 1 | 1 | 1 | 1705 | 1766 |
| FONTAINE | boulogne sur mer | Pas de calais | 0 | 0 | 1 | 1605 | 1605 |
| FONTEYNE | Fort Mardyck | Nord | 0 | 0 | 1 | 1780 | 1780 |
| FONTEYNE | Mardyck | Nord | 1 | 0 | 0 | 1700 | 1700 |
| FONTEYNE | Petite synthe | Nord | 0 | 0 | 1 | 1752 | 1752 |
| FOORT | Watou | West Vlaanderen | 4 | 0 | 1 | 1831 | 1868 |
| FORET | Fort Mardyck | Nord | 0 | 0 | 1 | 1797 | 1797 |
| FORET | Petite synthe | Nord | 0 | 0 | 2 | 1781 | 1789 |
| FOURNIER | Fort Mardyck | Nord | 0 | 0 | 3 | 1736 | 1777 |
| FOURNIER | Grande Synthe | Nord | 0 | 0 | 1 | 1776 | 1776 |
| FOURNIER | Loon plage | Nord | 1 | 0 | 0 | 1698 | 1698 |
| FOURNIER | Petite synthe | Nord | 0 | 0 | 3 | 1726 | 1789 |
| FOURNIER | boucqhaut | Pas de Calais | 1 | 0 | 0 | 1698 | 1698 |
| FOURNY | boulogne sur mer | Pas de calais | 3 | 2 | 3 | 1614 | 1750 |
| FRANCOIS | Bassily | non défini | 0 | 0 | 1 | 1773 | 1773 |