He immigrated by himself at age 15 in 1896.
Living in SF in 1920, working as a splicer (38, ITY) in a wire factory, with his wife (20).
Listed simply as C. Frediani (49, ITY) in the 1930 census, having immigrated in 1896 and been naturalized. With him is wife Josephine (40, ITY), Clara (5) and Frank (3) as well as his father-in-law Louie Pera (80)
In 1940 he is listed as Carl (58, ITY) married, but living with his brother’s family along with his son and daugher, as his wife is in the Agnews mental hospital in Santa Clara.

[Obituary]
The Press Democrat, Santa Rosa CA - Wednesday, 26 April 1961, pg 14
FRIEDIANI In Santa Rosa,
April 26, 1961, Carlo Frediani of Forestville, loving husband of Mrs. Josephine Frediani, of Richmond, loving father of Mrs. Clara Bertheaud of Richmond, and Frank Frediani, San Jose, loving brother of Mrs. M. Fontana of San Francisco and Mrs. E. Frediani of Los Gatos.
Also survived by four grandchildren. A native of Italy, aqe 80 years.
Friends are invited to attend funeral services Thursday, April 27, 1961 at 9:30 a.m. from the Chapel of the O'Leary Funeral Home, Sebastopol, thence to St. Sebastian's Church, Sebastopol where Mass will said for the repose of his soul commencing at 10 a.m. Interment Sebastopol Cemetery. The Rosary will be recited tonight at 8 o'clock at the O'Leary Funeral Chapel.