San Antonio Painter, 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. Exhibitions: Texas Artists Exhibition, San Antonio Art League (1926); San Antonio Artists Guild (1927); San Antonio Local Artists Annual Exhibition (1930, 1933-35, 1943); River Art Group, San Antonio (1948-50). Murals: Luchesse-Walker House, San Antonio. Collections: Texas Pioneers, Trail Drivers, Rangers Museum, San Antonio.