Anna Sophia Olson was born November 14, 1884, and her sister Lillie Olson was born October 8, 1886, both in Jewell, Hamilton County, Iowa. The sisters completed nurses training together at Augustana Hospital in Chicago, Illinois. During World War I, they served as American Red Cross nurses stationed at the American Expeditionary Forces Group 11 Hospital in Nantes, Loire-Atlantique, France. The sisters returned to Chicago together in 1918 and thereafter worked for the City of Chicago Post Office as nurses. Anna Sophia and Lillie Olson never married, and upon retiring moved together to Orlando, Florida. Anna Sophia died July 20, 1965, while Lillie died in April 1971.

Source: Information given in scrapbook