Within the UK and Ireland, the surname Mullaney most frequently occurs in Ireland where it is carried by 1 in 5,616 people. The majority of those with the family name of Mullaney are to be found living in/around Connaught (approx. 18% of all UK Mullaney's), Leinster and Munster. The name can also be found in Scotland with 1 in 32,909 people using it, and England with 1 in 45,182.
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