Santa Cruz County, Arizona GenealogyEdit This Page

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Santa Cruz County, Arizona
Map of Arizona highlighting Santa Cruz County
Location in the state of Arizona
Map of the U.S. highlighting Arizona
Location of Arizona in the U.S.
Founded March 15, 1899
County Seat Nogales
Address 2150 N Congress Dr.

Nogales, AZ 85621
(520) 375-7800
TDD for the Hearing Impaired (520)761-7816

United States Gotoarrow.png ArizonaGotoarrow.png Santa Cruz County

Wikipedia has more about this subject: Santa Cruz County, Arizona


County Courthouse

Santa Cruz County Courthouse
2150 North Congress Drive
P O Box 1265
Nogales, AZ 85628-1265
Phone: 520-761-7800

Clerk Superior Court has marriage,
divorce, probate and Court Records from 1899,
military records 1888-1085
and adoption records from 1940 [1]


Santa Cruz County lies directly south of Tucson and Pima Counties.  The town of Nogales is a major border crossing between the United States and Mexico, and is part of a 'twin border city' situation. Nogales is also the county seat.

A river runs north out of Mexico towards Tucson, also named the Santa Cruz.

The historic Catholic mission near Tubac on I-19 is significant in the history of the area. However, any records that were produced when this was actively a community and an active parish are not kept there, but may be with the Diocese in Tucson. Other missions are also nearby, mainly San Xavier which is in Pima County closer to Tucson.

Parent County

1899--Santa Cruz County was created 15 March 1899 from Pima and Cochise Counties.
County seat: Nogales [2]

Boundary Changes

Record Loss


Populated Places

Agua Linda Carmen Kino Springs Otero Sotos Crossing (hist.)
Alto Casa Piedra Lochiel Partridge (hist.) Trench Camp
Amado Duquesne Madera Canyon Patagonia Tubac
Beyerville Elgin Nogales Rio Rico Tumacacori
Calabasas Hacienda Los Encino Old Glory Ruby Washington Camp
Canelo Harshaw Oro Blanco Sonoita

Neighboring Counties



 Arizona Cemetery Transcription and Photo Project


For tips on accessing Santa Cruz County, Arizona Genealogy census records online, see: Arizona Census.


LDS Ward and Branch Records

  • Nogales



Local Histories






Vital Records

Many early marriages are listed on the Western States Marriage Index.

The Tumacacori National Historical Park has created a website with searchable Spanish Mission Records as well as an annotated bibliography of the Tohono O'odham (Papago Indians).  Along with transcribed marriage records from the Cathedral of Culiacan in spanish, Part 1, Part 2, Part 3.

Societies and Libraries

Pimeria Alta Historical Society
136 North Grand Ave.
Nogales, AZ 85621
PO Box 2281
Nogales, AZ 85628
Telephone 520-287-4621
Hours 10-4 Thurs.-Sat

Family History Centers

Introduction to Family History Centers Nogales Arizona Family History Center

Nogales Arizona
621 W Green Pl
Nogales, Santa Cruz, Arizona, United States
Telephone: 520-281-0368

This is not a mailing address. Due to limited staff, Family History Centers are unable to respond to mail inquiries.

Web Sites


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Santa Cruz County, Arizona p. 56. At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).


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