Skurrie...
I have found your William Stevens in the 1880 Census as follows...
1880 California, Plumas County, 85th Enumeration District pg. 10, Enumeration District 85, Date: 7 June 1880
Dwelling houses No. 87
Families numbered in order of visitation: 87
Stevens, William - White, M, 55, head of household, listed as married, occupation Black Smith, birth place England, Father's birth place England, Mother's birth place England
Stevens, Almeda - White, F, 45, wife of head of house, listed as married, occupation: Keeping House, birth place Wisconsin, Father's birth place Kentucky, Mother's birth place Wisconsin.
Stevens, William H. - White, M, 18, son of head of house, listed as single, occupation Works in Foundry, birth place Wisconsin, Father's birth place England, Mother's birth place Wisconsin.
Stevens, Edward I. - White, M, 14, son of head of house, listed as single, occupation at school, birth place California, Father's birth place England, Mother's birth place Wisconsin.
Stevens, Lawrence C. - White, M, 6, son of head of house, listed as single, occupation At home, birth place California, Father's birth place England, Mother's birth place Wisconsin.
Also listed in the household below William Stevens is a Charles W. Stevens perhaps their son Charles? Here is that information (same census info as above)
Dwelling 88
Families numbered in order of visitation 88
Stevens, Chas. W. - White, M, 22, head of household, listed as married, occupation Black Smith, birth place Utah, Father's birth place England, Mother's birth place Wisconsin.
Stevens, Isabel - White, F, 19, listed as married, wife of head of household, occupation Keeps House, birth place California, Father's birth place Scotland, Mother's birth place England.
I have had no luck so far with the 1860 census but I will keep trying! Hope this helps!
