Saints Joachim and Anne Parish was formed on January 4, 2021 by the merger of three parishes: Saint Mark Parish in Liberty Borough and Port Vue Borough, Saint Michael Parish in Elizabeth, and Queen of the Rosary Parish in Glassport.
The former Saint Mark Parish was the product of a 1993 merger of Saint Eugene Parish in Liberty Borough and Saint Joseph Parish in Port Vue Borough.
The former Queen of the Rosary Parish was the product of a 1994 merger of Saint Cecilia Parish in Glassport and Holy Cross Parish in Glassport.