Thomas Seipel
Occupation Farmer
Born (1908-09-14)September 14, 1908
Wisconsin, United States

January 15, 1942(1942-01-15) (aged 33)
Plum City, Wisconsin, United States

Cause of death Suicide
Spouse(s) Lucille Gilles
Attack information
Date January 15, 1942
Location(s) Plum City, Wisconsin, United States
Target(s) Family
Killed 6
Weapon(s) .22-caliber rifle

Thomas Seipel was an American farmer who killed his wife and five children in Plum City, Wisconsin, United States on January 15, 1942, before committing suicide.



  • Lucille Gilles Seipel, 31, his wife
  • Joan Magdalena Seipel, 10, his daughter
  • Cleo Ann Seipel 8, his daughter
  • Jeanne Marie Seipel, 6, his daughter
  • Thomas Gary Seipel, 2, his son
  • Gwendolyn Dorothy Seipel, 2 months, his daughter


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