Giuseppe Sarto was an Italian priest and bishop who later became Pope Pius X. Some synonyms for his name may include Pope Pius X, Saint Pius X, or just Pius X. He was known for his reforms in the liturgy, education, and the priesthood. He was also a defender of traditional Catholic teachings in the face of modernism and was canonized as a saint in 1954. Other titles associated with him include "pope of the blessed sacrament" and "pope of the workers." Overall, Giuseppe Sarto had a significant impact on the Catholic Church during his time as pope.