Why was Peggy eaton a social outcast?

Peggy Eaton became a social outcast in Washington, D.C., during the early 19th century primarily due to her marriage to John Eaton, a close associate of President Andrew Jackson. Many members of the political elite, particularly the wives of cabinet members, shunned her because of her background and the circumstances surrounding her marriage, which was seen as scandalous. The controversy surrounding her led to a significant social rift known as the "Petticoat Affair," impacting Jackson's administration and creating tension within his cabinet.