[1] Her French mother was of aristocratic descent (her maternal great-grandfather was the baron du Cluseau) and Eugénie was baptized in the church of St Roch in Paris.
Though her family lived primarily in London, they travelled extensively in Europe and she first attended school with Jesuit fathers in Valladolid, Spain.
[3] She subsequently attended a convent school at Dourdan in France, leaving in 1877 to travel with her family in Italy and Greece.
She was the first female student admitted to the British School at Athens, studying there in 1890–91 (the second would be her friend Caroline Amy Hutton).
Her translation of an account of the excavation of Troy, from the German version of Carl Schuchhardt, was published in English in 1891.
She continued to live at a flat on the via Balbo, near the Basilica of Santa Maria Maggiore in Rome, until her death in 1943, leaving an unpublished manuscript on the history of the Vatican Palace.