About Trevylyan Napier
Lived 1867 – 1920 (aged 53). Trevylyan Napier was a British naval officer.
Vice-Admiral Sir Trevylyan Dacres Willes Napier (19 April 1867 – 30 July 1920) was a Royal Navy officer who went on to be Commander-in-Chief, America and West Indies Station.
Naval career Napier was the son of Ella Louisa (Wilson) and Vice-Admiral Gerard John Napier. He joined the Royal Navy. He was promoted to the rank of lieutenant on 14 December 1887, and to commander on 1 January 1889. In April 1902 he was posted to the HMY Victoria and Albert, the King's personal yacht, where he was second in command. Promoted to captain in June 1903, he was appointed in command of the HMY Victoria and Albert later that year and the battleship HMS Bellerophon in 1911. Promoted to rear admiral in November 1913, he was based at the Royal Naval War College, then in Portsmouth, from 1913 and tested the mobilisation of the Home Fleet in June and July 1914. He commanded the whole Light Cruiser Force from January 1918 to April 1919.
Family In 1911, both Napier's wife, Mary, and her father, Sir Michael Culme-Seymour, 3rd Baronet, were witnesses in the criminal libel trial of Edward Mylius, who had written about a rumoured 1890 marriage of the future George V to one of the Baronet's daughters, which would have made the king a bigamist (Mylius was convicted).
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Important facts
People in Trevylyan Napier's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Trevylyan Napier's
Frequently asked questions
Who was Trevylyan Napier?
Royal Navy admiral (1867–1920)
When was Trevylyan Napier born?
Trevylyan Napier was born on 19 April 1867.
When did Trevylyan Napier die?
Trevylyan Napier died on 30 July 1920 in Pembroke Parish.
What was Trevylyan Napier's occupation?
Trevylyan Napier was a naval officer.
What nationality was Trevylyan Napier?
Trevylyan Napier was British.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Trevylyan Napier. https://biography.guide/trevylyan-napier/
MLA: "Trevylyan Napier." Biography.guide, https://biography.guide/trevylyan-napier/.
Chicago: "Trevylyan Napier." Biography.guide. https://biography.guide/trevylyan-napier/.
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