Henry married Marie Barbara Frey on 30 Oct 1916 in Burlington, Racine County, Wisconsin, USA. Marie (daughter of Johannes Peter Frey and Margaretha Schäfer Schaefer) was born on 8 Apr 1897 in Rose Creek, Mower County, Minnesota, USA; died on 21 Nov 1977 in Racine, Racine County, Wisconsin, USA. [Group Sheet] [Family Chart]

1. SSgt. Harold John May was born on 28 Oct 1917 in Brighton, Kenosha County, Wisconsin, USA; died on 10 Apr 1945 in Luzon, Pilipinas; was buried in Manila American Cemetery and Memorial, Taguig, Metro Manila, Pilipinas.
2. Alfred Henry May was born on 22 Sep 1919 in Brighton, Kenosha County, Wisconsin, USA; died on 2 Feb 1980 in Racine, Racine County, Wisconsin, USA; was buried in Holy Cross Cemetery, Caledonia, Racine County, Wisconsin, USA.
3. Florian Frank May was born on 20 Feb 1921 in Brighton, Kenosha County, Wisconsin, USA; died on 24 Sep 2004 in Roseville, Placer County, California, USA.
4. Charles Theodore May was born on 1 Apr 1923 in Racine, Racine County, Wisconsin, USA; died on 4 Jul 2018 in Wisconsin, USA; was buried in Holy Cross Cemetery, Caledonia, Racine County, Wisconsin, USA.
5. Clarence William May was born on 1 Jan 1926 in Brighton, Kenosha County, Wisconsin, USA; died on 25 Dec 1930 in Racine, Racine County, Wisconsin, USA.
6. Herman Joseph May was born on 17 Jun 1928 in Racine, Racine County, Wisconsin, USA; died on 9 May 2011 in Titusville, Brevard County, Florida, USA; was buried on 12 May 2011 in Brevard Memorial Park, Cocoa, Brevard County, Florida, USA.
7. Dorothy Marie May was born on 29 Oct 1930 in Racine, Racine County, Wisconsin, USA; died on 20 Jul 2015 in Kenosha, Kenosha County, Wisconsin, USA; was buried in Holy Cross Cemetery, Caledonia, Racine County, Wisconsin, USA.
8. Kenneth John May was born on 5 Oct 1936 in Racine, Racine County, Wisconsin, USA; died on 19 Apr 2005 in Racine, Racine County, Wisconsin, USA.