[2] He attended Clongowes Wood College, a Jesuit secondary school in Kildare, near Dublin, from 1903 to 1908, then studied at University College, Dublin (where he received his BA degree in 1914 and his MA in 1915) and Campion Hall, Oxford (where he obtained the degree of B Litt in 1919).
[1] After graduating Aubrey Gwynn worked as a teacher at Clongowes College (1917–1919), Louvain (1919–1921) and Milltown Park (1921–1925).
[1] In 1927 Father Aubrey was appointed Lecturer in Ancient History at University College, Dublin.
His brother Denis Rolleston Gwynn (1893–1971) was also an historian, being for much of his life Professor of Modern Irish History at University College, Cork.
[3] A watercolour portrait of Aubrey Gwynn as a child by his godfather Walter Osborne is in the collection of the National Gallery of Ireland.