Hi, the name of all Wallon Churches (should) have a uniform name, namely Église Saint(e)-[the Saint].
According to this wikipedia article, the French and Dutch name are somehow different than the current names.

https://nl.wikipedia.org/wiki/Maria_Helpsterkapel_(Moresnet-Chapelle)

Dutch: Maria Helpsterkapel (French: Chapelle Notre-Dame-Auxiliatrice)