Johannes married Magdalena Scharwatz on 16 Mar 1858 in Dahn, Pfalz, Bayern. Magdalena (daughter of Johannes Adam Scharwatz and Magdalena Reinig) was born on 22 Aug 1833 in Dahn, Pfalz, Bayern; was christened on 23 Aug 1833 in Dahn, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Ferdinand Mayer was born on 17 Mar 1862 in Dahn, Pfalz, Bayern; was christened on 19 Mar 1862 in Dahn, Pfalz, Bayern.
2. Theodor Mayer was born on 29 Aug 1864 in Dahn, Pfalz, Bayern; was christened on 2 Sep 1864 in Dahn, Pfalz, Bayern.