Ilmari Mattson was born on January 22, 1888, in Helsinki, Finland.
Ilmari Pernaja died in 1963.
Ilmari Niemeläinen died in 1951.
Ilmari Vesamaa died in 1973.
Ilmari Auer died in 1965.
Ilmari Salomies died in 1973.
Ilmari Vartia died on 1951-05-25.
Ilmari Peitsalo died on June 29, 1961.
Ilmari Kivinen died on February 14, 1940.
Howard W. Mattson died in 1998.
Matti Mattson died on 2011-01-11.
Axel Mattson died on November 22, 1937.