Costigan Explained

Costigan (ga|Mac Oistigin) is an Irish surname with higher concentrations in counties Laois, Tipperary and Kilkenny.^[1] Costigan is a branch of the Fitzpatricks (Mac Giolla Phádraig dynasty) of Upper Ossory,^[2] 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^{[3] [4] [5]} Notable people with the surname include:

• Christopher Costigan, explorer of the Jordan River and Dead Sea in 1835
• Daniel Costigan (1911–1979), Commissioner of the Garda Síochána from 1952 to 1965
• Edward P. Costigan (1874–1939), US senator from Colorado
• Francis Costigan, early Indiana architect
• Frank Costigan, (1931–2009) Australian QC and commissioner in the Royal Commission on the activities of the Federated Ship Painters and Dockers Union (known as the Costigan Commission)
• Giovanni Costigan (1905–1985), historian
• George Costigan (born 1947), a British television actor
• Howard Costigan (1904–1985), American political functionary
• James Costigan, screenwriter
• Jason Costigan, Australian Liberal National politician and former rugby commentator
• John Edward Costigan, American artist
• John Costigan (hurler)
• Keith Costigan, former soccer player, and television sports analyst
• Kyle Costigan, American Football Player, Strength and Conditioning Coach for the University of Wisconsin-Madison
• 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 (entrepreneur)
• Michael Costigan (film producer)
• Michael Costigan (youth speaker)
• Neville Costigan, Australian rugby league footballer
• Peter Costigan, (1935–2002), Australian journalist, former Lord Mayor of Melbourne
• Sandra Costigan, former field hockey player

Fictional characters:

• Billy Costigan, a character in the Martin Scorsese film, The Departed, played by Leonardo DiCaprio
• Captain Costigan, a character in the novel Pendennis, by William Makepeace Thackeray.
• Sailor Steve Costigan, a character created by Robert E. Howard
• Conway Costigan, a character in E.E. Smith's Triplanetary
• Jerry, Grace and Russell Costigan, characters in Robert B. Parker's novel "A Catskill Eagle"

See also

• Costigan, New Brunswick, Canada
• Costigan Commission, the Royal Commission on the Activities of the Federated Ship Painters and Dockers Union
• Mount Costigan, a summit in Alberta, Canada

Notes and References

1. Web site: Costigan | Irish Origenes: Use your DNA to rediscover your Irish origin.
2. Web site: "The Mac Costigan of Ossory: dismantling an assumed genealogy".
3. Web site: Irish genealogy records for the surname Costigan.
4. Web site: Ireland's History - Old Irish Gaelic Surnames.
5. Web site: FamilyTreeDNA - Fitzpatrick .