Background
Eccleston was born in New York, on March 4, 1830 one of ten children of Irish immigrants Edward Eccleston and Mary Anne Cristie.
Eccleston was born in New York, on March 4, 1830 one of ten children of Irish immigrants Edward Eccleston and Mary Anne Cristie.
The Association traveled by sea to Texas and then purchased wagons for an overland journey with a United States Army expedition to establish a military road from San Antonio to El Paso. The Association then joined with John Coffee Hays and his experienced party of frontiersmen for the journey from El Paso to California. Robert kept a diary of this journey from April 3, 1849, when they sailed from New York, to December 27, 1849 when they reached the borders of California at Fort Yuma.
In this book he records of how the Tucson Cutoff was found and first traveled by his party.
Months later Eccleston"s diary began again in the Southern placer mines at Agua Frio, on October 20, 1850. lieutenant describes life in the mines and his experience of the 1850-1851 Mariposa Indian War fought in the Sierra Nevada Mountains.
In it he also recorded the discovery of the Yosemite Valley by one of the militia columns marching against the mountain tribes. Returning to California after 1861 he settled down on a ranch to have several children in Forbestown, Butte County, California.
Eccleston went to Arizona later in 1870, where for three years he was Indian Agent for the Gila Pima Reservation.
There Eccleston was considered one of the founders of Tombstone, and was there at the time of the "Gunfight at the Oklahoma Corral". In 1885, Eccleston moved to Oregon, where he lived until 1900, when he settled in Oakland, California. He died there in February 1, 1911, and was buried in Mountain View Cemetery.
In 1950, his diary of his 1849 travels was published as Overland to California on the Southwestern Trail 1849.
His account of his time in the goldfields and the Mariposa Indian War was published in 1957 as The Mariposa Indian War 1850-1851.