Yuma County, Arizona GenealogyEdit This Page

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United States > Arizona > Yuma County
showing location of Yuma County


County Courthouse


Yuma County, Arizona is in the far southwest corner of the state. Principal communities include Yuma and Somerton. It extended to Parker in the north until the 1970s when the northern half of the county split off to form La Paz County.

For some County maintained records in the area now in La Paz County, many of the records will be found in Yuma, that city being the county seat.

Parent County

1864--Yuma County was created 21 December 1864 as an original county.  County seat: Yuma [1]

Boundary Changes

Record Loss

Some environmental damage has occurred to many of the historical registers.  Meldew and mold have taken its toll on the readability of some of the books and case file contents.


Populated Places

Neighboring Counties




LDS Ward and Branch Records

  • Yuma



Local Histories






Vital Records

695 marriages from 2 Apr 1864 to 17 Mar 1902 are listed on the Western States Marriage Index.  Some of the early marriage volumes are difficult to read and the writing is hard to decipher due to environmental damage.

Societies and Libraries

Web Sites

  • USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
  • Family History Library Catalog


  1. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).


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