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Harold Dillon, 17th Viscount Dillon

1844 – 1932

British antiquarian

AntiquarianWeapon historian
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About Harold Dillon, 17th Viscount Dillon

Lived 1844 – 1932 (aged 88). Harold Dillon, 17th Viscount Dillon was a British antiquarian and weapon historian.

Harold Arthur Lee-Dillon, 17th Viscount Dillon, (24 January 1844 – 18 December 1932) was an English antiquary and a leading authority on the history of arms and armour and medieval costume.

Life The eldest son of Arthur Dillon, 16th Viscount Dillon, he was born in Victoria Square, Westminster, and educated at private school and at the University of Bonn, Germany. He purchased an Ensigncy in the Rifle Brigade in 1862 and a Lieutenancy in 1866. He served in India and Canada, but resigned his commission in 1874. He then joined the Oxfordshire Militia (later the 4th (Oxford Militia) Battalion, Oxfordshire Light Infantry) as a captain. He was promoted Major in 1885 and retired in 1891. He succeeded his father as The 17th Viscount Dillon in 1892.

After leaving the regular army he devoted himself to antiquarian study, writing over fifty books and articles. He was chairman of the trustees of the National Portrait Gallery from 1894 to 1928. In the first year, his portrait was painted by Georgina Brackenbury. He bequeathed to the trustees various portraits from Ditchley Park, Charlbury including the portrait of his ancestor Sir Henry Lee by Antonio Moro. He served as Curator of the Royal Armouries from 1892 to 1913.

He was President of the Royal Archaeological Institute from 1892 to 1898 and President of the Society of Antiquaries of London from 1897 to 1904. He was the founding president of the Society for Army Historical Research holding the position until his death. He was elected a founding Fellow of the British Academy in 1902. He was also appointed antiquary to the Royal Academy.

He was appointed to the Order of the Companions of Honour (CH) in the 1921 Birthday Honours for his work with the National Portrait Gallery.

His only son predeceased him and he was succeeded by his nephew, Arthur.

Ancestry +Harold Dillon, 17th Viscount Dillon's ancestors in three generations Harold Arthur Dillon-Lee, 17th Viscount Dillon Father:Arthur Edmund Dennis Dillon-Lee, 16th Viscount Dillon Paternal Grandfather:Henry Augustus Dillon-Lee, 13th Viscount Dillon Paternal Great-grandfather:Charles Dillon-Lee, 12th Viscount Dillon Paternal Great-grandmother:Henrietta Maria Phipps Paternal Grandmother:Henrietta Browne Paternal Great-grandfather:Dominick-Geoffrey Browne Paternal Great-grandmother:Margaret Browne Mother:Ellen Adderly Maternal Grandfather:James Adderly Maternal Great-grandfather:? Maternal Great-grandmother:? Maternal Grandmother:Ellen Williams Maternal Great-grandfather:John Williams of Hythe, co. Kent Maternal Great-grandmother:?

Footnotes

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Important facts

Birth century
Occupation
Antiquarian, weapon historian
Education
University of Bonn
Awards
Fellow of the Society of Antiquaries; Fellow of the British Academy; Companion of Honour
Also known as
Harold Arthur Lee-Dillon, 17th Viscount Dillon of Costello-Gallin

People in Harold Dillon, 17th Viscount Dillon's life

Named in this biography and alive at the same time

Contemporaries

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Frequently asked questions

Who was Harold Dillon, 17th Viscount Dillon?

British antiquarian (1844–1932)

When was Harold Dillon, 17th Viscount Dillon born?

Harold Dillon, 17th Viscount Dillon was born on 24 January 1844 in Westminster.

When did Harold Dillon, 17th Viscount Dillon die?

Harold Dillon, 17th Viscount Dillon died on 18 December 1932 in Charlbury.

What was Harold Dillon, 17th Viscount Dillon's occupation?

Harold Dillon, 17th Viscount Dillon was an antiquarian and weapon historian.

What nationality was Harold Dillon, 17th Viscount Dillon?

Harold Dillon, 17th Viscount Dillon was British.

Sources & further reading

· Wikipedia: Harold Dillon, 17th Viscount Dillon

· Wikidata: Q5660494

· DBpedia: Harold Dillon, 17th Viscount Dillon

Cite this page

APA: Biography.guide. (2026). Harold Dillon, 17th Viscount Dillon. https://biography.guide/harold-dillon-17th-viscount-dillon/

MLA: "Harold Dillon, 17th Viscount Dillon." Biography.guide, https://biography.guide/harold-dillon-17th-viscount-dillon/.

Chicago: "Harold Dillon, 17th Viscount Dillon." Biography.guide. https://biography.guide/harold-dillon-17th-viscount-dillon/.

Data last updated: 2026-09-22 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

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