In the beginning of the 20th Century, several graveyards, containing weapons, arrowheads and broken ceramic vessels from the Frankish period were also found inside the village.

After the end of the Second World War, the American Army established a Rheinwiesenlager (Prisoner camp) in Hechtsheim in May 1945.

The lives of the prisoners of war were marked by hunger, disease and inadequate hygienic conditions.

[4] After the Second World War and the new reorganisation of the region, Hechtsheim became a municipality in the district of Mainz (Rhineland-Palatinate).

In 1969, Hechtsheim was incorporated into the city of Mainz as a district (Ortsbezirk) called Mainz-Hechtsheim.