Luke Dillon, 4th Baron Clonbrock

{{Short description|Irish peer (1834-1917)}}

{{Use dmy dates|date=June 2020}}

{{Use Hiberno-English|date=June 2020}}

{{infobox officeholder

| honorific_prefix =

| name = {{nowrap|Luke Gerald Dillon}}

| honorific_suffix = 4th Baron Clonbrock KP PC (Ire)

| image = 4th Lord Clonbrock, 1900 photograph.jpg

| caption = Lord Clonbrock at Clonbrock Castle in 1900

| birth_date = {{birth date|df=y|1834|3|10}}

| birth_place =

| death_date = {{death date and age|df=y|1917|5|12|1834|3|10}}

| death_place =

| resting_place =

| education =

| alma_mater =

| father = {{nowrap|Robert Dillon}}

| mother =

| spouse = {{marriage|Augusta Caroline Crofton|18 July 1866}}

| children = 4

| party =

| relatives = {{nowrap|Francis Spencer (maternal grandfather)}}
Edward Crofton (father-in-law)

| office = High Sheriff of County Galway

| term_start = 1865

| term_end = 1866

| alongside =

| predecessor = Richard D'Arcy of New Forest

| successor = John Archer Daly (né Blake) of Raford

| office2 = Lord Lieutenant of Galway

| term_start2 = 1892

| term_end2 = 1917

| alongside2 =

| predecessor2 = The Lord Clonbrock

| successor2 = The Lord Killanin

}}

Luke Gerald Dillon, 4th Baron Clonbrock KP PC (Ire) (10 March 1834 – 12 May 1917) was an Irish peer.{{Cite web| url=https://www.galwaydecadeofcommemoration.org/content/blog/death-of-lord-clonbrock| website=galwaydecadeofcommemoratioin.org| title=Death of Lord Clonbrock}}

In 1865, he was appointed High Sheriff of County Galway.{{cite book | last = Cokayne | first = George Edward | editor = Vicary Gibbs | publisher = The St Catherine Press Ltd. | title = The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom | volume = III | year = 1913 | location = London | pages = 328 }} He became Baron Clonbrock in 1893 on the death of his father Robert Dillon, 3rd Baron Clonbrock and was appointed a Knight of the Order of St Patrick on 29 August 1900.{{cite web|url=http://www.leighrayment.com/orders/patrick.htm|archive-url=https://web.archive.org/web/20080607022551/http://www.leighrayment.com/orders/patrick.htm|archive-date=7 June 2008|title=Knights of the Order of St Patrick|last=Rayment|first=Leigh|url-status=usurped|accessdate=2008-12-13}}

He married Augusta Caroline Crofton, daughter of Edward Crofton, 2nd Baron Crofton of Mote and Lady Georgina Paget, on 18 July 1866 at Roscommon, County Roscommon, Ireland.{{Cite web|url=http://www.thepeerage.com/p3729.htm#i37287|title=Person Page|website=www.thepeerage.com}} As a result of her marriage, Hon. Augusta Caroline Crofton was styled as Baroness Clonbrock on 4 December 1893.

The finding aid{{cite web| url=http://www.nli.ie/pdfs/mss%20lists/clonbrock.pdf| website=nlt.ie| title=Clonbrock Estate papers}} of the collection related to the personal and political papers of the family of Dillon, Barons Clonbrock, Ahascragh (County Galway, c.1600-1960) was compiled by Stephen Ball, at the National Library of Ireland.