Manning–Kamna Farm

The Manning–Kamna Farm is a private farm adjacent to Hillsboro in Washington County, Oregon, United States. Settled in the 1850s, ten buildings built between 1883 and 1930 still stand, including the cross-wing western farmhouse. These ten structures comprise the buildings added to the National Register of Historic Places in 2007 as an example of a farm in the region from the turn of the 20th century. Until the 1950s the farm was used to grow seeds, including rye grass and vetch. Listed buildings on the property include a barn, smokehouse, pumphouse, woodshed, and privy.

Farming here began in 1851, when Carlos Dudley Wilcox and his wife Elizabeth settled a Donation Land Claim on the Tualatin Plains in Washington County, Oregon. Carlos had immigrated to the Oregon Country in 1847 with his parents and married the 15-year-old Elizabeth Scoggin on July 3, 1851. The couple had five children on their 640-acre farm, though Carlos sold 62 acres in 1857. In 1872, the Wilcoxes divorced, with Elizabeth gaining the southern part of the farm and Carlos the northern part, of which he sold half in 1874.

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