Mount Morris is a town in Livingston County, New York, United States.

[3] The town and village were named after Robert Morris, an 18th Century slave trader and Founding Father of the United States.

The town is on the western border of the county and is home to part of Letchworth State Park.

In 1952 Mount Morris Dam was finished on the Genesee River for flood control.

The southwestern half of the town line following the Genesee is the border of Wyoming County.

(Clockwise) Mount Morris has a humid continental climate (Köppen Dfb).

28.7% of all households were made up of individuals, and 11.8% had someone living alone who was 65 years of age or older.