Arizona Genealogy

The Territorial Government of the Territory of Arizona was organized Feb. 24, 1863. The portion of the Territory lying north of the Gila river was obtained from the government of Mexico, under the treaty of Guadalupe Hidalgo, Feb. 2d, 1848, and the portion lying south of the Gila was obtained by purchase from the government of Mexico, under the treaty made by James Gadsen on the part of the United States, at Mexico, Dec. 30, 1853; and extends west from the 109 deg. meridian of longitude to the 115th deg., and north from 31 deg. 20 sec. of north latitude to the 37th deg. parallel; and is bounded on the north by Nevada and Utah; on the east by New Mexico; on the south by Sonora, and on the west by California and Nevada, and contains about 70,000,000 acres of land.

The links on the right side will take you to specific Arizona genealogy records. The pages below are newest added to this website.

Arizona Census Records

Arizona Census Records
Starting in 1790, the United States government took a census every 10 years. Census records exist for the territory and state of Arizona from 1860-1930. Arizona territory was separated from the New Mexico territory in 1863.

Arizona History

On these pages you will find historical content enabling the genealogist to better comprehend their Arizona genealogy records.

Arizona Indian Tribes
These pages were taken from a manuscript written in 1871, entitled, Resources Of Arizona Territory With A Description Of The Indian Tribes.

Arizona County History

We’ve established some lead pages for our future county websites.

Arizona Missions

Arizona Directories

  • 1876-1878 Pacific Coast Business Directory
    The triennial business directory, containing the name of each merchant, manufacturer, and professional in the States of California, Oregon, Nevada, the Territories of Washington, Idaho, Montana, Utah, Arizona, and Alaska, and the Colony of British Columbia.

Surrounding States

Arizona is one of the Four Corners states. It has borders with New Mexico, Utah, Nevada, California, and Mexico, and one point in common with the southwestern corner of Colorado.

Recent Articles

Yuma County, Arizona History

This county is formed out of the southwestern portion of the Territory, and is bounded on the west by the Colorado river. The valley of the Colorado is from two to ten miles in width; the soil is rich alluvial, and is generally covered with a dense growth of vegetation,…
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Yavapai County, Arizona History

This county is bounded on the north and west by Mohave county; on the east by New Mexico, and the south by Maricopa county. Nearly the entire county has an elevation of from 5,000 to 6,000 feet above the level of the sea, and several mountains rise to the height…
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Pima County, Arizona History

This county is bounded on the north by the Gila river; on the east by New Mexico; on the south by Sonora, and on the west by Yuma county. It is the oldest inhabited county in the Territory, and contains the most population. The western end of the county, to…
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The Yuma, Cocopah and Maricopa Indians

About the year 1760, the Yumas, Cocopahs and Maricopas composed one tribe, known as the Coco Maricopa tribe. They occupied the country about the head of the Gulf of California, and for some distance up the Colorado River. At that time a dispute occurred, and what is now known as…
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Maricopa County, Arizona History

This county is bounded on the north by Yavapai county; on the east by New Mexico; on the south by the Gila river, or Pima county, and on the west by Yuma county. The people are nearly all engaged in agriculture, the most of whom are located in Salt River…
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War with Mexico

On the 28th of March, 1846, General Zachary Taylor took up his position on the banks of the Rio Grande opposite Matamoras, and strengthened himself by the erection of fieldworks. Texas, at that time, claimed’ the Rio Grande as the western boundary of the republic, which not only embraced what…
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