Geoghegan

• Gagen, Gahagan

Reduced Anglicized form of Irish Mag Eochagáin (“son of Eochagán”), a diminutive of Eochaidh. Compare Caughey.

• IPA^(key): /ˈɡeɪ(ə)ɡən/

Geoghegan (plural Geoghegans)

1. A surname from Irish.

• According to the 2010 United States Census, Geoghegan is the 16802^nd most common surname in the United States, belonging to 1699 individuals. Geoghegan is most common among White (93.64%) individuals.

• Hanks, Patrick, editor (2003), “Geoghegan”, in Dictionary of American Family Names, volume 2, New York City: Oxford University Press, →ISBN, page 31.