In 1900 the family was living in Hutchinson, Bourbon, KY. Moot appears on the Census.
Ewin Smoot, b. KY, Nov 1862, marr 15 yrs, farmer.
Martha, wife, b. KY July 1865, marr 15 yrs.
William, b. KY May 1886.
Notte, son, b. KY Oct 1888.
Claude, b.KY Jan 1892.
Conner, b. KY Apr 1893.
Nannie, b. KY Apr 1896.
Ada, b. KY, May 1898.
Goebel, b. March 1900, KY.
In 1910 the family was living in Mangan, Comanche, oklahoma.
Ed T. Smoot, b. KY, 53, marr 24 yrs, general farmer.
Martha, wife, b. KY, 40, had given birth to 10 children but nine alive in 1910.
Notley, son, b. KY, 20, laborer home farm.
Claud, b. KY, 19, laborer home farm.
Conner, b. KY, 15, laborer home farm.
Nannie, b. KY, 13.
Ada, b. KY, 11.
Goebel, b. KY, 9.
Thomas, b.KY, 7.
mARY, B. IL, 4.
I didn't find anything regarding Goebel after 1910 but I wonder if he started using his middle name.
If you still haven't found his obituary, go to freepages.genealogy.rootsweb.ancestry.com/~obitl/volca.html
Scroll down to Sacramento and there's a volunteer who does look ups at the California State Library.