San Antonio Muralist, decorative painter, merchant.
Cloonan was born in Ireland and came to San Antonio about 1908. There he sold paint supplies under the trade name Cloonan and Osborn and in the 1920s executed decorative paintings in San Antonio churches. He died in a San Antonio hospital and was buried in the city.
Exhibition Texas Artist Exhibition, San Antonio Art League (1926). San Antonio Artist Guild (1927). San Antonio Local Artist Annual Exhibition (1930, 1933-35,1943). River Art Group, San Antonio (1948-50).
Murals: Luchesse-Walker House, San Antonio
Collection: Texas Pioneers, trail Drivers, Ranger Museum San Antonio