Hannon

• Hennon

Reduced Anglicized form of Irish Ó hAinchín (“descendant of Ainchín”), a personal name possibly related to Annach or, alternatively, a variant of ainghein (“unborn”). It could also be a variant form of Hannan or Hanahan.

Hannon (plural Hannons)

1. A surname from Irish.

• According to the 2010 United States Census, Hannon is the 3016^th most common surname in the United States, belonging to 11893 individuals. Hannon is most common among White (85.45%) individuals.

• Hanks, Patrick, editor (2003), “Hannon”, in Dictionary of American Family Names, volume 2, New York: Oxford University Press, →ISBN, page 126.