From collection Candidates
In 1916 Mattie Sleeth ran for the Oregon House of Representatives. She won in the Democratic primary, but lost in the general election, where she campaigned on a Democratic-Prohibition ticket. Sleeth lobbied to get a law permitting women to serve on juries passed in 1921, and, in 1922, was the first woman in Oregon to serve on a jury. She was an active prohibitionist, preaching against alcohol and serving as the president of the Oregon Woman's Christian Temperance Union from 1918-1920. She was also an active suffragist.