(1860 - 1945)
Margaret O'Callaghan was active/lived in California. Margaret OCallaghan is known for Painting.
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Born in San Francisco, CA on Dec. 19, 1860. During the 1890s O'Callaghan was a pupil of William Keith while living in San Francisco. A spinster, she died there on Dec. 12, 1945. Exh: SFAA, 1903; Sketch Club (SF), 1907.
Edan Hughes, "Artists in California, 1786-1940"Keith, Old Master of California
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