Karl married Mary Catherine Schmitt on 22 Jan 1881. Mary (daughter of Jakob Schmitt and Maria Anna Schmidt) was born in Nov 1859 in Ohio, USA; died on 18 Aug 1903 in Chicago, Cook County, Illinois, USA; was buried on 20 Aug 1903 in Waldheim Jewish Cemetery, Forest Park, Cook County, Illinois, USA. [Group Sheet] [Family Chart]

1. Ida Clara Wirth was born on 28 Nov 1881 in Monroe County, Ohio, USA; died in in Chicago, Cook County, Illinois, USA.
2. Philip Emil Wirth was born on 12 Apr 1884 in Monroe County, Ohio, USA; died in Jun 1965.
3. Elmer August Wirth was born on 7 Jul 1886 in Monroe County, Ohio, USA.
4. Charles Wallace Wirth was born on 13 Mar 1889 in Woodsfield, Monroe County, Ohio, USA; died in in Chicago, Cook County, Illinois, USA.
5. Raymond Wirth was born in 1893 in Chicago, Cook County, Illinois, USA.
6. Irma Ottilie Wirth was born on 26 Feb 1897 in Chicago, Cook County, Illinois, USA; died on 4 Apr 1967 in Chicago, Cook County, Illinois, USA.