Mary Stevenson Cassatt: A Pioneer of Modern Portraiture Mary Stevenson Cassatt, born in Allegheny City (now part of Pittsburgh) in 1844 and passing away in Paris in 1926, stands as a pivotal figure bridging the gap between academic art traditions and the burgeoning modernism of the late 19th and early 20th centuries. Her life was one of transatlantic movement, marked by a deep engagement with both American and European artistic landsc…