Maiden name could also be Wyzial, Wyzral, Vyzrat or Vyzral. Last name could also be spelled "Koutnec", "Kautnek" or "Koutnek". Immigrated to the United States circa 1913. Married Frank Koutnik on January 8, 1916 in Chicago, IL. Mother of Alfred, William, Edward and Harry. Olga and her son Harry were both killed in the Favorite Disaster on July 28, 1927. 27 people were killed when the boat capsized in Lake Michigan. Olga was 38 years old at the time of her death.

∼Olga and her son, Harry, are listed among the drowned along with 25 other people when a steamer capsized in a wild storm gala off the Gold Coast .

From the Chicago Tribune 7-29-1927:
"Sixteen children, ten women, and one man were drowned yesterday when the "Favorite," a small excursion boat cruising from Lincoln Park to the Municipal pier, capsized half a mile off North avenue in a sudden, terrific squall. Ten of the children were boys and six girls. Twenty-five of the dead have been identified."
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Illinois Deaths and Stillbirths
Name Olga Koutnek
Event Date 28 Jul 1927
Event Place Chicago, Cook, Illinois
Gender Female
Race White
Age 38
Birth Date About 1889
Birthplace Winn, Austria Hungary
Father's Name Mr. Verzll
Occupation Housewife
Residence Place Elmwood Park, Illinois
Spouse's Name Frank Koutnek
Burial Date 01 Aug 1927
Cemetery Natl Bohemian
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Name Olga Koutnek
Event Type 1920 Census
Event Place Chicago Ward 33, Cook (Chicago), Illinois
Gender Female
Age 31
Marital Status Married
Race White
Can Read Yes
Can Write Yes
Birth Year (Estimated) 1889
Birthplace Austria
Immigration Year 1913
Father's Birthplace Austria
Mother's Birthplace Austria
Frank Koutnek Head M 36 Austria
Olga Koutnek Wife F 31 Austria
Alfred Koutnek Son M 7 Austria
William Koutnek Son M 2 Illinois
Edward Koutnek Son M 1 Illinois