Various names of Feohtkiricha, Feochtkyricha, Fichtkiriha and Viechtkirchen can be found in old church archives.

These names suggest the original spruce wood (Fichten) church as the namesake.

A layman named Reginhelm comes to Vierkirchen, where Bishop Hitto von Freising is apparently holding a large meeting.

[7] After the Second World War, Vierkirchen remained as a municipality in the rural area of the Dachau region.

[8] In the 1972 Bavarian regional reforms, several villages were merged into the community of Vierkirchen, (such as Giebing, Pasenbach, Ramelsbach and Rettenbach).

[10] In 1999/2000 a partnership with the Italian municipality of Genazzano (about 50 km or 30 miles east of Rome) was formed.

[citation needed] The current mayor (Bürgermeister) of Vierkirchen is Harald Dirlenbach (SPD) since 2014.