Commune/Paroisse : Orthez [Pyrénées-Atlantiques]
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | COARRAZE | 1809 | 1 | - |
| 2. | COAYREFOURCQ | 1801-1865 | 2 | 3 |
| 3. | COEYREFOURCQ | 1804-1808 | 1 | 1 |
| 4. | COLE | 1795 | - | 1 |
| 5. | COLEDAN | 1799 | - | 1 |
| 6. | COLLONGUE | 1842-1851 | 1 | 1 |
| 7. | COLLONGUE DIT PINGORRE | 1866 | 1 | - |
| 8. | COLLONQUE | 1824-1876 | 2 | 3 |
| 9. | COLOMBOU | 1822 | - | 1 |
| 10. | COLONGUE | 1807-1896 | - | 4 |
| 11. | COLONGUE PINGORRE | 1802-1812 | 3 | 1 |
| 12. | COLONQUE | 1817-1873 | 4 | 2 |
| 13. | COLONQUE PINGORRE | 1822-1848 | 1 | 2 |
| 14. | COMBES | 1823 | - | 1 |
| 15. | COMET | 1854 | 1 | - |
| 16. | CONCARRÉ | 1874-1899 | 1 | 1 |
| 17. | CONCEPTION | 1848 | - | 1 |
| 18. | CONDESSE | 1850 | 1 | - |
| 19. | CONGOSTE | 1799-1845 | 1 | 1 |
| 20. | CONORD | 1857 | 1 | - |
| 21. | CONQUERÉ | 1799-1838 | 3 | 1 |
| 22. | CONQUES | 1807-1905 | 1 | 1 |
| 23. | CONQUÉRÉ | 1863-1874 | - | 2 |
| 24. | CONSTANTI | 1837-1860 | 2 | 3 |
| 25. | CONSTANTI CANDAU | 1843 | 1 | - |
| 26. | CONSTANTIN | 1801 | - | 1 |
| 27. | CONSTANTY | 1854 | - | 1 |
| 28. | CONTE | 1875-1883 | 1 | 1 |
| 29. | CONTE BERGEROU | 1808 | 1 | - |
| 30. | CONTET | 1827 | 1 | - |
| 31. | CONTRAIRES | 1887 | 1 | - |
| 32. | CONTREIRES | 1888-1898 | - | 2 |
| 33. | CONVERT | 1833 | - | 1 |
| 34. | COQUILLOT MARCHAN | 1825 | - | 1 |
| 35. | CORNUEL | 1845-1877 | 1 | 2 |
| 36. | CORTIE | 1895 | - | 1 |
| 37. | COSLEDAN | 1810 | - | 1 |
| 38. | COSNARD | 1900 | 1 | - |
| 39. | COSSIÉ | 1805 | - | 1 |
| 40. | COSTA | 1889 | 1 | - |
| 41. | COSTARRAMONE | 1799-1883 | 1 | 3 |
| 42. | COSTEDOAT | 1891 | - | 1 |
| 43. | COSTEMALE | 1863-1906 | 1 | 2 |
| 44. | COSTES | 1813 | 1 | - |
| 45. | COUAQUE | 1845 | 1 | - |
| 46. | COUAQUE DIT MOUSQUÉS | 1859 | 1 | - |
| 47. | COUAT | 1794-1823 | 2 | 2 |
| 48. | COUCHÈS | 1846 | - | 1 |
| 49. | COUDANNE | 1837-1907 | 2 | 2 |
| 50. | COUDINA | 1827-1843 | 1 | 3 |
| 51. | COUDIROLLE | 1860-1904 | 1 | 2 |
| 52. | COUDURES | 1794-1834 | 2 | - |
| 53. | COUGET | 1868 | - | 1 |
| 54. | COULLARES | 1796 | 1 | - |
| 55. | COULOMME | 1817 | 1 | - |
| 56. | COULOMME DAVANT | 1883-1889 | 2 | - |
| 57. | COULONGEAT | 1902 | 1 | - |
| 58. | COULOUME | 1809 | - | 1 |
| 59. | COULOUME OU IBARC | 1798 | - | 1 |
| 60. | COULOUMET | 1822 | 1 | - |
| 61. | COURNAU BOUHORT | 1838 | - | 1 |
| 62. | COURRÈGES | 1821 | 1 | - |
| 63. | COURT | 1815-1891 | 2 | - |
| 64. | COURTEZ | 1860 | - | 1 |
| 65. | COUSINÉ | 1797-1824 | 2 | 2 |
| 66. | COUSSIRAT | 1875-1902 | 9 | 1 |
| 67. | COUSSIRAT HERROU | 1851-1853 | 2 | - |
| 68. | COUSTALAT | 1814-1893 | 3 | 3 |
| 69. | COUSTAU | 1859-1886 | 1 | 1 |
| 70. | COUSTAU DIT LAHARGOUETTE | 1835 | 1 | - |
| 71. | COUSTERE | 1807 | 1 | - |
| 72. | COUSTET | 1804-1905 | 8 | 7 |
| 73. | COUSTET DIT BOAS | 1808 | 1 | - |
| 74. | COUSTET LARROQUE | 1805-1898 | 9 | 6 |
| 75. | COUSTÈRES | 1868 | - | 1 |
| 76. | COUSTET MONYAUT | 1833-1878 | 3 | - |
| 77. | COUSTÉ | 1885 | 1 | - |
| 78. | COUSTILLOU | 1795 | - | 1 |
| 79. | COUSY | 1838-1867 | 3 | - |
| 80. | COUTURE | 1817-1908 | 2 | 3 |
| 81. | COUVERT | 1797 | 1 | - |
| 82. | COYLA | 1886 | - | 1 |
| 83. | COYLAA | 1905 | 1 | - |
| 84. | COYLAÀ | 1895 | 1 | - |
| 85. | COYLAÀ BÉTAT | 1887 | - | 1 |