- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Morrisonville is a hamlet and census-designated place in Clinton County, New York, United States. The population was 1,545 at the 2010 census.
Morrisonville is divided between the towns of Plattsburgh and Schuyler Falls by the Saranac River, which defines the boundary between the two towns. The community is west of the city of Plattsburgh.