Background
James O�Neil was born in the state of New York in 1800.
James O�Neil was born in the state of New York in 1800.
A New York native, he took part in the Champoeg Meetings and helped form the Provisional Government of Prior to the formation of a government he participated in the Willamette Cattle Company, and later served as a judge in the Provisional Government. He was partly educated in legal studies there. In 1834, James joined Nathaniel Wyeth�s fur trading company, the Columbia River Fishing and Trading Company (CRFTC), that was organized to exploit the fur trade along the west coast of North America.
Wyeth�s party arrived in 1834 at the confluence of the Columbia and Willamette rivers at present day Portland, O�Neil helped build Wyeth�s Fort William on today�s Sauvie Island. The venture was a failure, and O�Neil moved up the Willamette Valley and took a land claim near what is now Wheatland, , in 1835. In 1837, the Willamette Cattle Company was formed by area settlers, led by Ewing Young.
O�Neil joined the company and sailed to California aboard the Loriot and then drove cattle back to In 1838, he was one of the people to sign a petition circulated around the Euro-American settlements of the Country that was sent to the United States Congress asking for the United States to extend its jurisdiction over the region. The U.S. did not do so until it formed the Territory in 1848 after settling the boundary dispute with Great Britain. In 1841, Ewing Young died without an heir, leading to a series of meetings at Champoeg on the French Prairie.
At a later meeting in 1843, settlers voted 52 to 50 in favor of forming the Provisional Government of with O�Neil voting with the proponents. Following this vote, he assisted in the creation of the government by serving on the first legislative committee that wrote the Organic laws of , and was elected as a justice of the peace for the Yamhill District. This assistance included selling several legal texts to the legislative committee to help frame the Organic law.
In 1845, he was elected as a judge for the district. O�Neil also built a grist mill that year, the first in what became Polk County. O�Neil then moved to Benton County and lived at Tampico where he operated a store.
In 1853, he joined a commission working to build a railroad connection to California, remaining until 1854. O�Neil died in September 1874, at his farm in Polk County near the community of Lewisville. He was buried there, but later moved to the Hart Cemetery.