Here is some information might be helpful.
Campbell is a Scottish and Northern Irish surname, and the surname Mathews was first found in Glamorganshire a region of South Wales, anciently part of the Welsh kingdom of Glywysing.
Similar surnames to Sobacchi are Tabacchi, Bacchi, Macchi, Bacci, Bonacci, Rocchi, Cocchi and Zocchi all Italian surnames.
Italians started settling in Colorado in the late 1850s, and, by 1922, roughly one in five people living in Colorado was Italian American.
Tercio is considered a ghost town and former coal mine and a post office called Tercio was established in 1902.
Prior to the arrival of the coal miners, the valley of the South Fork of the Purgatoire River was sparsely inhabited by Hispanics in settlements known as Torres and Rincon.
The Colorado Fuel and Iron company established Tercio in 1901 and in 1902 the Tercio mine produced its first coal.
A tercio was a military unit of the Spanish Army during the reign of the Catholic Monarchs and the Spanish Habsburgs.
During the 18th century, the tercio participated in Italian campaigns as well as those in Portugal, Spanish America, and North Africa.
Joe Isacc Martinez and Esmilia "Millie" Martinez 1919-1978
Joe was born April 18, 1918 in Yellowstone County, Colorado
Joe Issac Martinez, 91 of Cottonwood, California, passed away September 3, 2009
Joe was the son of Benito Porifio Martinez and Rita Martinez and the grandson of
Pablito Martinez and Conception Trujillo
I don't know if he is connected to the above family but here is his information:
Jose Isac Martinez appears on a Hospital Muster Roll in Fort Union New Mexico working as a Nurse in 1862 and he was a Private in Company D, 4th? Regiment New Mexico Volunteers?
The Independent Companies, New Mexico Volunteer Militia was organized in November and December 1861 for the defenses of New Mexico, the four companies were raised and financially supported by Lt Col Francisco Perea. Stationed at Albuquerque, the battalion was engaged in several campaigns against the Navajo. It was mustered out on 28 February 1862.
José is a predominantly Spanish and Portuguese form of the given name Joseph.
He could have been listed as Jose, Joseph or Joe on different records.
I also found information on a Vicente Martínez born 1867 Valladolid, Spain that's all I know about this person.
Vicente's daughter is listed as
Victoriana Gonzalez
1871 - 1931
I also found Victoriana Gonzales born in Yucatan, Mexico about 1871 and died in Nogales, Santa Cruz County, Arizona sometime before 1940 and she was married to a Pedro Gonzales.
Pedro Gonzales was born in Oaxaca, Mexico about 1836 and died in Nogales, Santa Cruz County, Arizona before 1919.