William Waldo

William Waldo (April 22, 1832 – November 24, 1911) was an American politician and attorney in Oregon. Born in Missouri, he came to the Oregon Country with his family that included father Daniel Waldo. He would serve in the Oregon State Senate, including as president of the body in 1885. Waldo was also a county judge, while his brother John B. Waldo would serve on the Oregon Supreme Court.

Early life William Waldo was born in Gasconade County, Missouri, on April 22, 1832, to Daniel and Malinda Lunsford Waldo. In 1843, the family traveled the Oregon Trail to Oregon Country along with neighbors Jesse and Lindsay Applegate. He continued to serve in the 1880 and 1882 sessions of the Oregon Legislative Assembly, with no session held in 1884.

Later life and legacy He would serve as a county judge for Marion County from July 1890 to June 1891, at that time the position was part of the Marion County Commissioners Court.