Catholic Encyclopedia
St. Macrina the Younger, d. 379, was the granddaughter of St. Macrina the Elder and the sister of St. Gregory of Nyssa.
Catholic Online
Brief biography of St. Macrina the Younger.
For All the Saints
Biographical portrait of St. Macrina the Younger.
Gregory of Nyssa: Life of Macrina
St. Gregory's tribute to his beloved sister, who was a great influence on him.
James Kiefer's Christian Biographies
St. Macrina the Younger, monastic and teacher. With prayer in traditional and contemporary language.
The Ecole Glossary
Biographical sketch of St. Macrina, by Karen Rae Keck.