Heffernan
English
Etymology
Anglicized form of Irish Ó hIfearnáin (“descendant of Ifearnán”), a personal name derived from a diminutive form of ifreannach (“demon”), from ifreann (“hell”).
Proper noun
Heffernan (plural Heffernans)
- A surname from Irish.
Statistics
- According to the 2010 United States Census, Heffernan is the 5043rd most common surname in the United States, belonging to 6961 individuals. Heffernan is most common among White (94.34%) individuals.
Further reading
- Hanks, Patrick, editor (2003), “Heffernan”, in Dictionary of American Family Names, volume 2, New York City: Oxford University Press, →ISBN, page 152.