Marquam is an unincorporated community in Clackamas County, Oregon, United States.

It is located on Oregon Route 213, between the cities of Molalla and Silverton.

He secured a donation land claim of 640 acres (2.6 km2), and built the first house and the first store in the town.

His younger brother was Philip Augustus Marquam, a noted early judge in Oregon.

This Clackamas County, Oregon state location article is a stub.