St. Agnes is a Christian martyr who lived during the Roman Empire in the 3rd century. She is celebrated for her unwavering faith and commitment to Christianity, even in the face of persecution. Her feast day is observed on January 21, and she is often depicted with a lamb, symbolizing her purity and innocence. St. Agnes is one of the most revered virgin martyrs in Christianity. Many churches and institutions are named in her honor, and she is considered a patron saint of young girls and chastity. Her story emphasizes themes of faith, courage, and devotion.