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- [S1] FamilySearch Family Tree, https://www.myheritage.com/research/record-40001-278950549/mathias-kostichka-in-familysearch-family-tree.
Mathias Kostichka Gender: Male Birth: Feb 5 1868 - Budeovice, Czechoslovakia Immigration: 1867 Residence: 1900 - Ahnapee town (excl. Algoma city), Kewaunee, Wisconsin, United States Residence: 1900 - Ahnapee, Wis. Death: July 19 1900 Burial: Algoma, Wis. Parents: <a>John Kostichka</a>, <a>Mary Kostichka (born Bednar)</a> Siblings: <a>Anna Fett (born Kostichka)</a>, <a>Rose Castonguay (born Kostichka)</a>, <a>Emma Lauscher (born Kostichka)</a>, <a>Joseph J. Kostichka Sr.</a>, <a>Elizabeth Detampel (born Kostichka)</a>, <a>Jacob Kostichka</a>, <a>Charles Kostichka Sr.</a>, <a>John Kostichka</a>, <a>Frank Kostichka</a>, <a>Wenzel Kostichka</a>, <a>Mary Stich (born Kostichka)</a>
- [S250] 1900 United States Federal Census, https://www.myheritage.com/research/record-10131-127259140/mathias-kosticka-in-1900-united-states-federal-census.
Mathias Kosticka<br>Gender: Male<br>Birth: Feb 1868 - Bohemia<br>Residence: 1900 - Ahnapee town (excl. Algoma city), Kewaunee, Wisconsin, USA<br>Age: 32<br>Marital status: Single<br>Immigration: 1867<br>Race: White<br>Ethnicity: American<br>Father: John Kosticka<br>Mother: Mary Kosticka<br>Siblings: Joseph Kosticka, Frank Kosticka, Wenzel Kosticka, Lizzie Kosticka, Charles Kosticka<br>Census:
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