Son of Sebastino Castagneto and Magdelina Viccaro. Grandosn of Giovanni Battisto Castagneto and Maria Isabella Moce. Dominico was born in Rapollo, Geneva, Italy, died on Castagnetto Ranch, Hunter's Valley, Mariposa, CA.

He was the husband of Angela Maria Raggio, the daughter of Giovanni T Raggio and Angelina Maria Caterina Margherita Chiesa. They were married 27 Jan 1850 in Boston, Suffolk, MA, and had the following children:
* John 1849-1912
* James 1850-1875
* Louisa 1855-1874
* Sebastian 1857-1859
* Joseph Daniel 1860-1907
* Francis c 1860-1891
* Laura Margaret, Mrs John Cademartori
* Daniel A 1867-1930
* Angela Madeline, Mrs James Dulcich
* Mary Louisa, Mrs David Lord

Dominico Castaganetto was 5'6" tall, had light complextion, blue eyes, grey hair. He was naturalized 4 Aug 1873, while living in Hunter's Valley. He registered to vote on 3 Oct 1892.
The 1870 census lists a merchant named Bartholomew age 33 living with Mary aged 34 and children James, John, Louis, Joseph, Frank, Laura and Daniel, and below those names appears Dominico age 55, peddler, in a separate dwelling. Who was Bartholomew?

Obituary, Mariposa Gazette
CASTAGNETTO, Dominico January 23, 1897
Another Pioneer gone.
Last Thursday at about 10 o'clock the messenger of death visited the home of Dominico Castagnetto in Hunter's Valley and summoned its venerable owner to appear before his maker.
Mr. Castagnetto was a pioneer of Mariposa county and at the time of his death he was seventy-five years of age. He was a native of Italy and came to California when he was a young man and has ever since resided here. In his younger days he carried on an extensive merchandise business in Bear Valley and was one of the prominent citizens.
For a number of years prior to his death he has lived quietly with his family on his ranch in Hunter's Valley.
He was married to a very estimable lady, who preceded him to the grave a few years since. They raised a large family of children, six of whom survive their parents.
The funeral took place in Bear Valley on Thursday last and was largely attended by the friends of the deceased.
The sympathies of the entire community is extended to his bereaved relatives.