# Gahan

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Not to be confused with [McGahan](/source/McGahan) or [Gahn](/source/Gahn) or [Ghan](/source/Ghan_(disambiguation)) or [Gan](/source/Gan_(disambiguation)).

**Gahan** is a surname of [Irish](/source/Irish_name) origin. It derives from the [Irish language](/source/Irish_language) name Ó Gaoithín, meaning "descendant of Gaoithín". The Ó Gaoithín were historically chiefs of [Síol Éalaigh](/source/Shillelagh_(barony)) and today are most prevelent in [south-eastern Ireland](/source/South-East_Region,_Ireland), particularly in the counties of [Wexford](/source/County_Wexford) and [Carlow](/source/County_Carlow). [Connacht](/source/Connacht) Ó Gaoithíns were typically [anglicised](/source/Anglicisation) as *[Wynne](/source/Wynne)* or *[Wyndham](/source/Wyndham_(disambiguation))* and are of an unrelated origin to the [Leinster](/source/Leinster) Ó Gaoithíns.[1][2]

People with this surname include:

- [Arthur Burton Gahan](/source/Arthur_Burton_Gahan) (1880–1960), American entomologist.
- [Charles Joseph Gahan](/source/Charles_Joseph_Gahan) (1862–1939), Irish entomologist.
- [Dave Gahan](/source/Dave_Gahan) (born 1962) (not his birth name), British singer.
- [George Thomas Gahan](/source/George_Thomas_Gahan) (1912–1980), Australian politician and boxer.
- [Gordon Gahan](/source/Gordon_Gahan) (1945–1984), American photographer.
- [Graeme Gahan](/source/Graeme_Gahan) (1942–2018), Australian rules footballer.
- [John Harvey Gahan](/source/John_Harvey_Gahan) (1888–1958), Canadian violinist.
- [Matthew Gahan](/source/Matthew_Gahan) (born 1975), Australian baseball player.
- [Thomas Gahan](/source/Thomas_Gahan) (1847–1905), American politician.
- [Tracy Gahan](/source/Tracy_Gahan) (born 1980), Australian basketball player.
- [William Gahan](/source/William_Gahan) (1732–1804), Irish priest.
- [Gahan Wilson](/source/Gahan_Wilson) (1930–2019), American horror–fantasy cartoonist and illustrator

## See also

- [Gaughran (disambiguation)](/source/Gaughran_(disambiguation))

## References

1. ["Ó Gaoithín"](https://www.libraryireland.com/names/og/o-gaoithin.php). *Library Ireland*

1. ["GAHAN Surname Maps of Ireland"](https://www.barrygriffin.com/surname-maps/irish/GAHAN/). *Barry Griffin*. Barry Griffin. Retrieved 4 June 2025.

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