Silverton in San Juan County, Colorado — The American Mountains (Southwest)
Immigration in San Juan County
Immigrants played a vital role in the development of mining in the San Juan Mountains. Until 1941, the San Juan County Courthouse housed the Naturalization Office, where immigrants began the legal process of becoming U.S. citizens. Immigration records from this era reveal a rich tapestry of those who pursued their dreams and those who supported them in declaring their intent to become citizens.
During the 19th Century, courts at all levels of government could issue naturalization certificates. With no standardized process, courts set their own requirements, creating a complex system of fees and procedures that varied by court. To standardize naturalization, Congress passed the Basic Naturalization Act of 1906, establishing the Federal Naturalization Service and regulating the process nationwide with standard forms and documentation creating the basis for naturalization in the 20th Century.
The names listed in the Petitions for Citizenship reflect the diversity of their origins, including Brkljiescic, Drangc, Hansson, Fox, Cassagranda, Olson, Paallaoro, Andreatta, Todeschi, and Antonelli. Many of these individuals traveled to the United States from ports such as Genoa, Italy; Havre, France; Liverpool, England; Naples, Italy; Gothenburg, Sweden; Queenstown, Ireland; Shanghai, China; and Vienna, Austria.
Citizenship petitions also required witnesses to vouch for the applicants, often including well-known names such as Maynes, Anesi, Andreatta, and Dalla many of which remain recognizable in Silverton and the surrounding region today.
Erected by Colorado Department of Local Affairs; San Juan County; and History Colorado.
Topics. This historical marker is listed in these topic lists: Immigration • Industry & Commerce. A significant historical year for this entry is 1906.
Location. 37° 48.893′ N, 107° 39.714′ W. Marker is in Silverton, Colorado, in San Juan County. It is on Greene Street (County Road 2) just south of East 16th Street, on the right when traveling south. The marker is located near the northeast corner of the San Juan County Courthouse. Touch for map. Marker is at or near this postal address: 1557 Greene Street, Silverton CO 81433, United States of America. Touch for directions.
Regionally, this marker is in the American Mountain West
and at the Four Corners. Globally, it is in North America, the Rocky Mountains, the Western Hemisphere, the Western World, and the Anglosphere.
Other nearby markers. At least 8 other markers are within walking distance of this marker: Preservation of the Courthouse (here, next to this marker); Silverton, Colorado (here, next to this marker); Court House (a few steps from this marker); San Juan County Historical Society Museum (a few steps from this marker); County Jail (within shouting distance of this marker); Silverton Northern Caboose 1005 (within shouting distance of this marker); S.R.R. Caboose (within shouting distance of this marker); 1371 Greene (about 700 feet away, measured in a direct line). Touch for a list and map of all markers in Silverton.
Also see . . . Naturalization Act of 1906 (Wikipedia).
Excerpt: The Naturalization Act of 1906 was an act of the United States Congress signed into law by Theodore Roosevelt that revised the Naturalization Act of 1870 and required immigrants to learn English to become naturalized citizens. The bill was passed on June 29, 1906, and took effect September 27,(Submitted on August 31, 2025, by Cosmos Mariner of Cape Canaveral, Florida.)1906. It was repealed and replaced by the Nationality Act of 1940. It was modified by the Immigration Act of 1990.The legislation established the federal government as the arbiter of naturalization policy. It created the Bureau of Immigration and Naturalization, which provided for the first uniform naturalization laws in the country. Prior to 1906, an alien could be naturalized in any U.S. "court of record". State-level naturalization courts managed proceedings and had varying standards across the country.
Credits. This page was last revised on August 31, 2025. It was originally submitted on August 28, 2025, by Cosmos Mariner of Cape Canaveral, Florida. This page has been viewed 67 times since then and 12 times this year. Photos: 1, 2, 3. submitted on August 31, 2025, by Cosmos Mariner of Cape Canaveral, Florida.


