[2] An older brother was Sir George Stapylton Barnes, who was Permanent Secretary of the Board of Trade, 1915-1916, (the father of Lucy, second wife of Charles FitzRoy, 10th Duke of Grafton), and an older sister was Margaret Louisa Stapylton Barnes, who married an Anglican clergyman, the Rev Neville Usher.
[9] The screen with organ case and rood at All Saints is the work of Sir Ninian Comper, and was the gift of Barnes in memory of his father.
[11] Barnes caused what even the Anglo-Catholic Church Times described as "some sensation" by introducing a life-size statue of the Blessed Virgin Mary into the chapel.
[13] In 1896 Pope Leo XIII issued his papal bull Apostolicae curae, declaring Anglican orders "absolutely null and utterly void".
The process which led to the publication of the bull had begun in 1890 when Viscount Halifax and the Abbé Fernand Portal [fr] had met on the island of Madeira.
[14] In advance of publication of the bull, in 1895 Barnes, convinced by then of the defective nature of Anglican orders, converted to Rome, being received by Cardinal Merry del val and taking his first communion at the hands of Leo XIII.
[30] This was firmly rebuffed by Canon Claude Jenkins, the librarian at Lambeth Palace, who had the relevant documents within his control, in a lengthy review article in The Journal of Theological Studies.