According to this blog, Popes named Pius declared 42% of the Church Doctors.
St. Athanasius (296-373)- Declared Doctor in 1568 by St. Pius V
St. Hilary of Poitiers (315-367)- 1851 by Bl. Pius IX
St. Gregory of Nasianzus (325-389)- 1568 by St. Pius V
St. Basil the Great (329-379)- 1568 by St. Pius V
St. John Chrysostom (347-407)- 1568 by St. Pius V
St. Bernard of Clairvaux (1090-1153)- 1830 by Pius VIII
St. Anthony of Padua (1195-1231)- 1946 by Ven. Pius XII
St. Albert the Great (1206-1280)- 1931 by Pius XI
The Doctor of the Church (1226-1274)- 1567 by St. Pius V
St. Peter Canisius (1521-1597)- 1925 by Pius XI
St. John of the Cross (1542-1591)- 1926 by Pius XI
St. Robert Bellarmine (1542-1621)- 1931 by Pius XI
St. Francis de Sales (1567-1622)- 1871 by Bl. Pius IX
St. Alphonsis Ligori (1696-1787)- 1871 by Bl. Pius IX
