still used the name Lemati intermittently until both communities were merged on July 12, 1898.   Yoncalla, OR x http://en.wikipedia.org/wiki/Yoncalla,_Oregon Yoncalla is a city in Douglas County , Oregon , United States . The population was 1,052 at the 2000 census. As of the census of 2000, there were 1,052 people, 409