San Joaquin Library obituary index
"Late architect of the State Capitol, died at the Asylum in this City, on the 4th, inst,
Stockton, Ind. July 7, 1866.
Family lore may have passed down the story that Reuben (aka: William or Reuben) might have been a mayor. He was affiliated with the State Capitol as an architect and thus the story is passed on and little by little it changes.
Or maybe this isn't your W.R. Clark afterall?
Someone to consider anyhow.