Dysart is an unincorporated community located in Dean Township, Cambria County, Pennsylvania, United States. The community lies along the railroad that runs parallel to the Clearfield Creek between Ashville and Frugality. The town grew up around the extraction of timber and bituminous coal. The community may have been named after James …Dysart is an unincorporated community located in Dean Township, Cambria County, Pennsylvania, United States. The community lies along the railroad that runs parallel to the Clearfield Creek between Ashville and Frugality. The town grew up around the extraction of timber and bituminous coal. The community may have been named after James H. Dysart, a Blair County man involved in early mining enterprises in the area.