# Costigan

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'''Costigan''' ({{langx|ga|Mac Oistigin}}) is an Irish surname with higher concentrations in counties [Laois](/source/Laois), Tipperary and Kilkenny.<ref>{{Cite web|url=http://www.irishorigenes.com/costigan|title = Costigan &#124; Irish Origenes: Use your DNA to rediscover your Irish origin}}</ref>  Costigan is a branch of the Fitzpatricks ([Mac Giolla Phádraig dynasty](/source/Mac_Giolla_Ph%C3%A1draig_dynasty)) of Upper Ossory,<ref>{{Cite web|url=https://www.fitzpatrickclan.org/The%20Mac%20Costigan%20of%20Ossory%20-%20dismantling%20an%20assumed%20genealogy.pdf|title = "The Mac Costigan of Ossory: dismantling an assumed genealogy"}}</ref> although the name may also independently derive from Hodgkin, a dimin. of Roger. Genetic evidence shows shared ancestry amongst Fitzpatricks and Costigans with ancestry in Upper Ossory<ref>{{Cite web|url=https://www.johngrenham.com/findasurname.php?surname=Costigan|title = Irish genealogy records for the surname Costigan}}</ref><ref>{{Cite web|url=http://www.rootsweb.ancestry.com/~irlkik/ihm/irenames.htm|title=Ireland's History - Old Irish Gaelic Surnames}}</ref><ref>{{cite web | url=https://www.familytreedna.com/public/fitzpatrick?iframe=ycolorized | title=FamilyTreeDNA - Fitzpatrick }}</ref> Notable people with the surname include:

* [Christopher Costigan](/source/Christopher_Costigan), explorer of the Jordan River and Dead Sea in 1835
* [Daniel Costigan](/source/Daniel_Costigan) (1911–1979), Commissioner of the Garda Síochána from 1952 to 1965
* [Deirdre Costigan](/source/Deirdre_Costigan), British politician
* [Edward P. Costigan](/source/Edward_P._Costigan) (1874–1939), US senator from Colorado
* [Francis Costigan](/source/Francis_Costigan), early Indiana architect
* [Frank Costigan](/source/Frank_Costigan), (1931–2009) Australian QC and commissioner in the [Royal Commission on the activities of the Federated Ship Painters and Dockers Union](/source/Royal_Commission_on_the_activities_of_the_Federated_Ship_Painters_and_Dockers_Union) (known as the ''Costigan Commission'')
* [Gina Costigan](/source/Gina_Costigan) (born 1984), Irish actress<ref>{{Cite web |date=2 November 2023 |title=Gina Costigan: 'The Irish have a tendency towards darkness' |url=https://www.cambridgeindependent.co.uk/whats-on/gina-costigan-the-irish-have-a-tendency-towards-darkness-9337816/ |website=[Cambridge Independent](/source/Cambridge_Independent)}}</ref>
* [Giovanni Costigan](/source/Giovanni_Costigan) (1905–1985), historian
* [George Costigan](/source/George_Costigan) (born 1947), a British television actor
* [Howard Costigan](/source/Howard_Costigan) (1904–1985), American political functionary
* [James Costigan](/source/James_Costigan), screenwriter
* [Jason Costigan](/source/Jason_Costigan), Australian Liberal National politician and former rugby commentator
* [John Edward Costigan](/source/John_Edward_Costigan), American artist
* [John Costigan (hurler)](/source/John_Costigan_(hurler))
* [Keith Costigan](/source/Keith_Costigan), former soccer player, and television sports analyst
* [Mabel Cory Costigan](/source/Mabel_Cory_Costigan) (1873–1951), on the advisory council of the National Child Labor Committee and vice president of the National Consumers League.
* [Michael Costigan (film producer)](/source/Michael_Costigan_(film_producer))
* [Neville Costigan](/source/Neville_Costigan), Australian rugby league footballer
* [Peter Costigan](/source/Peter_Costigan), (1935–2002), Australian journalist, former Lord Mayor of Melbourne
* [Sandra Costigan](/source/Sandra_Costigan), former field hockey player

'''Fictional characters:'''
* [Billy Costigan](/source/Billy_Costigan), a character in the [Martin Scorsese](/source/Martin_Scorsese) film, ''[The Departed](/source/The_Departed)'', played by [Leonardo DiCaprio](/source/Leonardo_DiCaprio)
* Captain Costigan, a character in the novel [Pendennis](/source/Pendennis), by [William Makepeace Thackeray](/source/William_Makepeace_Thackeray).
* [Sailor Steve Costigan](/source/Sailor_Steve_Costigan), a character created by Robert E. Howard, creator of [Conan the Barbarian](/source/Conan_the_Barbarian) and father of the [sword and sorcery](/source/sword_and_sorcery) genre.<ref>{{Cite journal |last=Dowd |first=Christopher |date=2016 |title=The Irish-American Identities of Robert E. Howard and Conan the Barbarian |url=https://www.jstor.org/stable/44807183 |journal=New Hibernia Review / Iris Éireannach Nua |volume=20 |issue=2 |pages=15–34 |jstor=44807183 |issn=1092-3977}}</ref>
* Conway Costigan, a character in [E.E. Smith's](/source/E._E._Smith) [''Triplanetary''](/source/Triplanetary_(novel))
* ”Fast Eddie” Costigan, a character in [Spider Robinson’s](/source/Spider_Robinson) [''Callahan’s Crosstime Saloon''](/source/Callahan's_Crosstime_Saloon)

==See also==
* [Costigan Commission](/source/Costigan_Commission), the Royal Commission on the Activities of the Federated Ship Painters and Dockers Union
* [Mount Costigan](/source/Mount_Costigan), a summit in Alberta, Canada

==References==
{{Reflist}}

{{surname|Costigan}}

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Adapted from the Wikipedia article [Costigan](https://en.wikipedia.org/wiki/Costigan) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Costigan?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.