claim: John S. McCain Jr. graduated in 1901.
evidence: Yarrowsburg is an unincorporated community and census-designated place in Washington County , Maryland , United States .. United States. United States. Maryland. Maryland. County. List of counties in Maryland. Washington. Washington County, Maryland. unincorporated community. Unincorporated area. census-designated place. census-designated place. Washington County. Washington County, Maryland. Its population was 133 as of the 2010 census .. 2010 United States Census. 2010 census. 2010 United States Census