It was part of the operations of Millars Karri and Jarrah Forests Limited.

The Millars timber railway system covered an extensive area east of Mornington.

On 6 November 1920, the Jubilee locomotive carrying workers and timber from Mornington Mills to Wokelup derailed, killing nine people and injuring two.

[4][5] The site of the mill was subsequently a Police Citizens Youth Club camp, Camp Mornington, which closed in 2020 due to financial pressures relating to the COVID-19 pandemic.

[4][6] The remains of the community, railway line and the former saw mills have been regularly researched and written about.