St. Tarsilla, a Roman citizen, was the daughter of St. Sylvia, the sister of St. Emiliana and the aunt of St. Gregory the Great. She didn’t join an order, but she took private vows to live a religious life. She had a vision of St. Felix III, and, after her death, she appeared to Emiliana in a vision. She died Dec. 24. St. Tarsilla is patron saint of single laywomen.