few details are known of plato's personal life. his first wife, nettie plato, is buried at marion, indiana. his second wife, elnora davis lucas plato (1891–1975) "built her own successful dressmaking business" before marrying plato while he was a resident of marion. she also used funds from her business earnings to help her husband and was "his constant travel companion and business manager." around 1929, samuel built a modified tudor revival-style home for himself and his wife in the russell neighborhood of louisville, kentucky.