Family/Spouse: Mary Sassenberg. Mary (daughter of Peter Sassenberg and Maria Magdalena Pulver Bulfer) was born on 6 Jan 1876 in Illinois, USA; died on 10 Jan 1936 in Illinois, USA. [Group Sheet] [Family Chart]

1. Daniel Joseph Callahan was born on 16 Jun 1900 in Indiana, USA; died on 29 Sep 1971 in Illinois, USA.
2. Peter Emmet Callahan was born on 22 Sep 1901 in Illinois, USA; died on 17 Feb 1977 in Ottawa, LaSalle County, Illinois, USA.
3. Margaret M. Callahan was born in 0Aug 1903 in Ottawa, LaSalle County, Illinois, USA.
4. William J. Callahan was born in 1906 in Ottawa, LaSalle County, Illinois, USA.
5. Mary Martha Callahan was born on 25 Nov 1907 in Ottawa, LaSalle County, Illinois, USA.
6. Catherine L. Callahan
7. Lillian L. Callahan