Robert F. Trehy (January 27, 1921 – November 22, 2009) was an American baritone who had an active career singing in operas, concerts, and recitals during the 1940s through the 1980s.
He graduated from Xavier High School and then served in the United States armed forces during World War II.
He also performed leading roles at several important International music festivals, including those in Berlin, the Netherlands, Wiesbaden, and Belgrade.
[2] After returning to the United States in the late 1950s, Trehy performed with opera companies and orchestras throughout North America up into the mid 1980s.
[1] In 1969 Trehy joined the voice faculty at Pennsylvania State University where he taught concert and opera vocal repertoire.