Born on May 12, 1875 to William Leif, Sr. and Margaret Noel Leif. Mathias Leif passed away on Feb 11, 1907, at the age of 31 and was buried in Saint Patricks Catholic Cemetery in Utica, Nebraska, United States. Mathias Leif was married to Margaret Leif and had 1 children: Theresa E Harre.