Namesakes for PIUS:
  Bishops of Rome and the Popes: 12 popes
      Pope Pius I   140-155
      Pope Pius II   1458-1464
      Pope Pius III   1503
      Pope Pius IV   1559-1565
      Pope Pius V   1566-1572
      Pope Pius VI   1775-1799
      Pope Pius VII   1800-1823
      Pope Pius VIII   1829-1830
      Pope Pius IX   1846-1878
      Pope Pius X   1903-1914
      Pope Pius XI   1922-1939
      Pope Pius XII   1939-1958
  Saints: 4 saints
      Saint Pius X
      Saint Pius V
      Saint Pius II
      Saint Pius I