Matthias Anthony Lynch was born 28 October 1944 in Minneapolis, Minnesota, United States to Matthias William Lynch (1907-1963) and Agnes Mary Ockenfels (1912-2008) . He married Cynthia Ann Olson (1948) in Minneapolis, Minnesota, United States. He married Margaret Joan Bohmfalk (1958) in New Orleans, Louisiana, United States.
|Lanica Shannon Lynch (1972)||8 December 1972 Minneapolis, Minnesota, United States||Bradley Jay Klein (1971)|
|Patrick Martin Lynch (1974)||4 November 1974 Minneapolis, Minnesota, United States||Diane Marie Husfeldt (1973)|
|Natalie Margaret Lynch (1980)||19 December 1980 New Orleans, Louisiana, United States|
|Debra Joan Lynch (1982)||6 July 1982 Minneapolis, Minnesota, United States||Robert Albury|
|Elizabeth Ashley Lynch (1984)||17 March 1985 Las Vegas, Nevada, United States|