Within the UK and Ireland, the surname Sweeney is one of the most popular; frequently occuring in Ireland where it is carried by 1 in every 411 people. The majority of those with the family name of Sweeney are to be found living in/around Leinster (approx. 14% of all UK Sweeney's), Ulster and Connaught. The name can also be found in Scotland with 1 in 1,323 people using it, and England with 1 in 4,201.
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.