William married Elizabeth Julianna Kaiser on 16 Jan 1915 in Valley Stream, Nassau County, New York, USA. Elizabeth (daughter of Andrew Kaiser and Mary Ballweber) was born on 2 Oct 1887 in Ridgewood, Queens County, New York, USA; died on 25 Jun 1978 in Uniondale, Nassau County, New York, USA. [Group Sheet] [Family Chart]

1. Agnes Elizabeth Kennedy was born on 22 Jun 1916 in Brooklyn, Kings County, New York, USA; died on 28 Nov 1991 in Mesa, Maricopa County, Arizona, USA.
2. William Joseph Kennedy was born on 28 Nov 1917 in Brooklyn, Kings County, New York, USA; died on 30 Apr 1996 in Brooklyn, Kings County, New York, USA.
3. Edward Andrew Kennedy was born on 8 Mar 1919 in Brooklyn, Kings County, New York, USA; died on 4 Feb 1988 in Valley Stream, Nassau County, New York, USA.
4. Marie Kennedy was born on 23 Mar 1922 in Brooklyn, Kings County, New York, USA.
5. Francis Robert Kennedy was born on 20 Nov 1923 in Brooklyn, Kings County, New York, USA; died on 12 Nov 1992 in Houston, Harris County, Texas, USA.
6. Catherine Kennedy was born on 17 Oct 1926 in Valley Stream, Nassau County, New York, USA; died on 2 Feb 2018; was buried in Resurrection Cemetery, Wyoming, Kent County, Michigan, USA.