When Frederica Augusta Brown was born on 15 February 1840, in Stepney, Middlesex, England, United Kingdom, her father, William Brown, was 29 and her mother, Hannah Harriet Barker, was 29. She married Alfred Phillips on 3 September 1861, in Wyoming, United States. They were the parents of at least 4 sons and 9 daughters. She died on 23 August 1918, in Salt Lake City, Salt Lake, Utah, United States, at the age of 78, and was buried in Salt Lake City Cemetery, Salt Lake City, Salt Lake, Utah, United States.