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John Colahan

British Army general

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 19, 2026
Entity authorityQ6226579
Source-derived summary

John Joseph Aloysius Colahan (30 March 1836 – 19 November 1918) was Surgeon Major General in the British Army.

Family

The eldest of the four children of Professor Nicholas Colahan (1806–1890), and his first wife, Sarah Colahan (1814–49), née Whistler, John Joseph Aloysius Colahan was born in Galway, Ireland on 30 March 1836. His three siblings were Mary Josephine Colahan (1843–1912), Francis Colahan (1843–), and William Henry Colahan (1848–).

He married Eliza McDowell Orr (1859–1899), a concert pianist, in Malta, in 1885. They had six children: Mary Margarita Colahan (1886–1965); Beatrice Clare Colahan (1889–1984); Frederick John Orr Colahan (1892–1982); John Maurice Orr "Jack" Colahan (1894–1917); the artist Colin Cuthbert Orr Colahan (1897–1987); and Basil Nicholas Orr Colahan (1898–1980).

Medical career

Colahan graduated M.D. at Queen's University, Galway in 1857, and served as an army surgeon in India, Gibraltar and Malta. He served as Principal Medical Officer in Ireland. The family moved from Dublin to Cape Town in 1889, then to Victoria, Australia, in 1896.

Colahan died in the Melbourne seaside suburb of St Kilda on 19 November 1918.

Footnotes

References

The Colahans - A Remarkable Galway Family, Diarmuid Ó Cearbhaill, Journal of the Galway Archaeological and Historical Society, volume 54, 2002, pp.

Editorial summary

This brief starts where responsible research should: with the source description of “John Colahan” as british Army general. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1836, 1918, 1806, 1890—that can be checked directly. The linked authority record independently contributes the date 1836-03-30. The account is most persuasive where John, Colahan and British can be independently traced.
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Why this record matters

The subject matters to the general reference register because the source frames it as british Army general. Its deeper value depends on whether names, dates, institutions and citations support that framing.

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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 19, 2026. The linked authority identifier is Q6226579. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1836, 1918, 1806 and 1890.

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This entry incorporates text from John Colahan” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.