Type Surname (from nickname)
Other Forms FormsNoone
Edit Status Status
Contributor Contrib.babycrookston on 9/29/2013
Either (i) from a medieval nickname for someone of a sunny disposition (noon being the sunniest part of the day); or (ii) from Irish Gaelic Ó Nuadháin "descendant of Nuadhán", a personal name based on Nuadha, the name of various Celtic gods (cf. Nuada).