Frederick August Lionberg was born in Sweden in or around 1863. He emigrated to the United States at the age of seven. Lionberg lived in Tooele, Utah Territory, for many years and was a member of the Tooele Elks Lodge. He married Sophia Anderson, a native of Chicago, Illinois, on 31 January 1898. She died in 1930. He was a brick mason and spent the last five years of his life in Salt Lake City, Utah. Lionberg died there on 4 January 1931.
 Frederick August Lionberg, death register, 6 Jan. 1931, “Utah, Salt Lake County Death Records, 1849–1949,” database with images, FamilySearch, https://www.familysearch.org/ark:/61903/3:1:939J-DF1V?i=9; “Deaths,” Salt Lake Telegram, 5 Jan. 1931, 7B; Frederick August Lionberg and Sophia Anderson, 31 Jan. 1898, marriage record, “Utah, County Marriages, 1887–1940,” database with images, FamilySearch, https://www.familysearch.org/ark:/61903/3:1:939F-K69Y-C5?cc=1803977&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AF8GK-YXV.