Sallie went to Chappell Hill to school, also. After graduation she went on to Sam Houston Normal Institute in Huntsville to earn a teacher's certificate and taught for nine years in Macedonia, Pasadena, and Houston. It was in Houston while staying with the Black family (cousins) that she met Charles Frankford Williamson and married him on December 27, 1919. He was a brother to Robert who had married Viola Black. Sallie and Charlie had a daughter and a son, and lived in Houston.