John married Helena Barbara Heinauer on 22 Aug 1891 in Pennsylvania, USA. Helena (daughter of Anthony Andrew Heinauer and Mary Rosina Burkhart) was born on 19 Oct 1873 in McKees Rocks, Allegheny County, Pennsylvania, USA; died on 14 May 1961 in Clay, Butler County, Pennsylvania, USA. [Group Sheet] [Family Chart]

1. John Lee Hilliard was born on 23 Feb 1892 in Butler County, Pennsylvania, USA; died in 0Apr 1967 in Erie, Erie County, Pennsylvania, USA.
2. Vevia H. Hilliard was born on 17 Feb 1895 in Butler County, Pennsylvania, USA; died in 0Oct 1988 in Pennsylvania, USA.
3. Andrew Laverne Hilliard was born on 5 Mar 1905 in Pennsylvania, USA; died on 15 Apr 1982; was buried in North Side Cemetery, Butler, Butler County, Pennsylvania, USA.