Within the UK and Ireland, the surname Hannigan most frequently occurs in Ireland where it is carried by 1 in every 2,798 people. The majority of those with the family name of Hannigan are to be found living in/around Leinster (approx. 20% of all UK Hannigan's), Ulster and Munster. The name can also be found in Scotland with 1 in 13,575 people using it, and England with 1 in 52,911.
This website uses cookies to ensure you get the best experience. Read our privacy policy for more about what we do with your data as well as your rights and choices.