Lang, H. O., ed.  "The History of the Willamette Valley, Being A Description 
of the Valley and its Resources, with an account of its Discovery and 
Settlement by White Men, and its Subsequent History; Together with Personal 
Reminiscences of its Early Pioneers."  Portland, OR, Geo. H. Himes, Book and 
Job Printer, 1885.  p. 714.

DAVIDSON, ISAAC G.

     Son of Elijah B. Davidson, was born in Warren County, Illinois, in 1845,
and came with his parents to Oregon in 1850. Has followed the occupations of.
farming, teaching, bookkeeping, and for the last five years has been engaged in
photographing. In the line of scenic photography he takes the first rank in the
State. In 1869 he was married to Miss Sarah 0. Riggs, daughter of D. L. Riggs,
of Salem, a pioneer of 1853.  By her he had six children, five of whom are
living. Mrs. Davidson died in 1883.

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Submitted to the Oregon Bios. Project in March 2007 by Diana Smith.  Submitter
has no additional information about the person(s) or family mentioned above.