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Case File: Mailahn Family (1912)
Louis Mailahn was born in the region of Pomerania, likely the section that is now part of Germany as he would later give Germany as his place of origin. He came to the United States with his parents and siblings in about 1872 and the family settled in Wisconsin. He married Augusta Schmidt in 1879 and had 11 children. He bought his farm from his brother-in-law Carl Kollath, across the road from another brother-in-law Carl Holz. After the deaths of his mother, wife, and five of his daughters to tuberculosis, he attempted to take his own life but was saved. His son Willie was also highly despondent and tried to convince the family to commit suicide together, they refused. Willie then decided to take matters into his own hands. While another son Eddie was gone to pick up two of the younger sons from school, Walter and George, Willie killed his father, sister, brother, and then himself.
| Vitals & Events | |||||
| Event | Date | Place | Notes | ||
| Born | Apr 1846 | Pomerania, Germany | to Ludwig Mailahn & Carolina Keferman | ||
| Marriage | 1879 | Wisconsin | to Augusta Schmidt | ||
| Died | 2 Feb 1912 | Black Creek, Wisconsin | shot by his son Willie | ||
| Immediate Family Members | |||||
| Relation | Name | Birth Date | Birth Place | Death Date | Death Place |
| Father | Ludwig Mailahn | 21 Sep 1811 | Pomerania | Apr 1895 | Outagamie County, Wisconsin |
| Mother | Carolina Keferman | 11 Aug 1813 | Pomerania | 17 Sep 1909 | Outagamie County, Wisconsin |
| Wife | Augusta Schmidt | Dec 1859 | Wisconsin | 26 Jan 1908 | Outagamie County, Wisconsin |
| – daughter | Bertha Mailahn | 20 Jul 1880 | Black Creek, WI | 21 Nov 1905 | Black Creek, Wisconsin |
| – daughter | Anna Mailahn | 20 Jul 1880 | Black Creek, WI | 16 Mar 1906 | Black Creek, Wisconsin |
| – daughter | Carrie Mailahn | 21 May 1882 | Black Creek, WI | 3 Jun 1909 | Outagamie County, Wisconsin |
| – daughter | Alvina Mailahn | 24 May 1884 | Black Creek, WI | 14 Jun 1907 | Center, Wisconsin |
| – son | Eddie Mailahn | 5 Sep 1887 | Wisconsin | 2 Oct 1914 | Little Chute, Wisconsin |
| – son | Willie Mailahn | 15 Dec 1889 | Wisconsin | 2 Feb 1912 | Black Creek, Wisconsin |
| – daughter | Lizzie Mailahn | 19 May 1892 | Ellington, WI | 3 Mar 1907 | Outagamie County, Wisconsin |
| – daughter | Dora Mailahn | May 1896 | Wisconsin | 2 Feb 1912 | Black Creek, Wisconsin |
| – son | Walter Mailahn | 9 Aug 1897 | Black Creek, WI | 29 Nov 1932 | Salem, Oregon |
| – son | George Mailahn | 19 Oct 1898 | Wisconsin | 18 Jun 1970 | Chula Vista, California |
| – son | John Mailahn | 21 Jun 1903 | Center, WI | 2 Feb 1912 | Black Creek, Wisconsin |

Census Records:
- 1880 US Federal Census: Black Creek, Outagamie, Wisconsin, USA
- 1900 US Federal Census: Black Creek, Outagamie, Wisconsin, USA
- 1905 Wisconsin State Census: Center, Outagamie, Wisconsin, USA
- 1910 US Federal Census: Center, Outagamie, Wisconsin, USA
Newspapers:
- Appleton Evening Crescent
- 1912 (Feb 3): “Kills Father, Sister, Brother and Himself”
- 1912 (Feb 5): “Father Has Presentiment”
- 1912 (Feb 8): “Fiend Kills Father, Sister, Brother and Ends Own Life”
- 1912 (Feb 14): “Brother Tells of the Tragedy”
Real Estate Records:
- 1890: Deed, Charles Kollath to Louis Mailahn
Vital Records:
