California Counties

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All Rights Reserved Copyright 2006-2008 W. David Samuelsen

456 records, counting


| Alameda | Alpine | Amador | Brangiforte | Butte | Calaveras | Colusa | Contra Costa | Del Norte | El Dorado |

| Fresno | Glenn | Humboldt | Imperial | Inyo | Kern | Kings | Klamath | Lake | Lassen | Los Angeles | Madera | Mann |

| Marin | Martin | Mariposa |
Mendocino | Merced | Modoc | Mono | Monterey | Napa | Nevada | Orange | Placer |

|
Plumas | Riverside | Sacramento | San Benito | San Bernardino | San Diego | San Francisco | San Joaquin |

| San Luis Obispo | San Mateo | Santa Barbara | Santa Cruz |
Shasta | Sierra | Siskiyou | Solano | Sonoma |

| Stanislaus | Sutter |
Tehama | Trinity | Tulare | Tuolumne | Ventura | Yolo | Yuba |


Brangiforte - formed 18 Feb 1850 from California lands, renamed Santa Cruz 19 Apr 1850
Klamath - formed 18 Feb 1850, reorganized to form Siskiyou 22 Mar 1852
Mann - no further information other than from 1 of 7 sources used by Ronald V. Jackson. Apparently never was formally organized.


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  1. Alameda - 25 Mar 1853 from Contra Costa & Santa Clara
  2. Alpine - 16 Mar 1864 from El Dorado, Calaveras & Amador
  3. Amador - 1 May 1854 from Calaveras. part for Alpine 1864
  4. Butte - 18 Feb 1850 from California lands. parts for Plumas 1854, Tehama 1856
    | A-Z | completed - 70 records
  5. Calaveras - 18 Feb 1850 from California lands. parts for Alpine 1864, Amador 1854, Mono 1861
  6. Colusa - 18 Feb 1850 from California lands. part for Alameda 1853
  7. Contra Costa - 18 Feb 1850 from California lands. part for Alameda 1853
  8. Del Norte - 2 Mar 1857 from Humboldt
    Not Available
  9. El Dorado - 18 Feb 1850 from California lands. part for Alpine 1864
  10. Fresno - 19 Apr 1856 from Merced & Mariposa. Parts for Kings 1893, Madera 1893, Mono 1861
  11. Glenn - 11 Mar 1881 from Colusa
  12. Humboldt - 12 May 1853 from California lands. part for Del Norte 1857
  13. Imperial - 6 Aug 1907 from San Diego
  14. Inyo - 22 Mar 1866 from Tulare
  15. Kern - 2 Apr 1866 from Tulare & Los Angeles
  16. Kings - 22 Mar 1893 from Fresno & Tulare
  17. Lake - 20 May 1861 from Tuolumne
  18. Lassen - 1 Apr 1864 from Plumas & Shasta
    | A-Z | completed - 380 records
  19. Los Angeles - 18 Feb 1850 from California lands. Parts for Kern 1866, Orange 1889, San Bernardino 1853
  20. Madera - 11 Mar 1893 from Fresno
  21. Marin - 18 Feb 1850 from California lands
  22. Mariposa - 18 Feb 1850 from California lands. parts for Fresno 1856, Merced 1855, Tulare 1852
  23. Mendocino - 18 Feb 1850 from California lands
  24. Merced - 19 Apr 1855 from Mariposa. Part for Fresno 1856
  25. Modoc - 17 Feb 1874 from Siskiyou
    Not Available
  26. Mono - 24 Apr 1864 from Calaveras & Fresno
  27. Monterey - 18 Feb 1850 from California lands. Part for San Benito 1874
  28. Napa - 18 Feb 1850 from California lands
  29. Nevada- 25 Apr 1851 from Yuba
  30. Orange - 11 Mar 1889 from Los Angeles
  31. Placer - 25 Apr 1851 from Yuba & Sutter
  32. Plumas - 18 Mar 1854 from Butte. Part for Lassen 1864
    | A-Z | completed - 6 records
  33. Riverside - 11 Mar 1893 from San Diego & San Bernardino
  34. Sacramento - 18 Feb 1850 from California lands
  35. San Benito - 12 Feb 1874 from Monterey
  36. San Bernardino - 26 Apr 1853 from Los Angeles. Part for Riverside 1893
  37. San Diego - 18 Feb 1850 from California lands. Part for Imperial 1907, Riverside 1893
  38. San Francisco - 18 Feb 1850 from California lands. Part for San Mateo 1856
  39. San Joaquin - 18 Feb 1850 from California lands
  40. San Luis Obispo - 18 Feb 1850 from California lands
  41. San Mateo - 18 Feb 1856 from San Francisco
  42. Santa Barbara - 19 Apr 1850 from California lands. Part for Ventura 1872
  43. Santa Clara - 18 Feb 1850 from California lands. Part for Alameda 1853
  44. Santa Cruz - 18 Feb 1850 renamed from Brangiforte
  45. Shasta - 18 Feb 1850 from California lands. Part for Lassen 1864. Siskiyou 1852, Tehama 1856
    Not Available
  46. Sierra - 16 Feb 1852 from Yuba
    Not Available
  47. Siskiyou - 22 Mar 1852 from Shasta and reorganized from Klamath. Parrt for Modoc 1874
    Not Available
  48. Solano - 18 Feb 1850 from California lands
  49. Sonoma - 18 Feb 1850 from California lands
  50. Stanislaus - 1 Apr 1854 from Tuolumne
  51. Sutter - 18 Feb 1850 from California lands. Part for Placer 1851
  52. Tehama - 9 Apr 1856 from Colusa, Butte & Shasta
    Not Available
  53. Trinity - 18 Feb 1850 from California lands
    Not Available
  54. Tulare - 20 Apr 1852 from Mariposa. Parts for Inyo 1866, Kern 1866, Kings 1893
  55. Tuolumne - 18 Feb 1850 from California lands. Parts for Lake 1861, Stanislaus 1854
  56. Ventura - 22 Mar 1872 from Santa Barbara
  57. Yolo - 18 Feb 1850 from California lands
  58. Yuba - 18 Feb 1850 from California lands. Parts for Nevada 1851, Placer 1851, Sierra 1852

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