Lucia Magdalena (Thomsen) Petersen of Iowa United States was born on May 25, 1887 in Teeds Grove. She was married to John H. Petersen on March 9, 1910 in Teeds Grove, Clinton County, and they were together until John's death on May 8, 1938 in Union Township, Jackson County. She had a child Gertrude E (Petersen). Lucia Petersen died at age 57 years old in 1944.