Within the UK and Ireland, the surname Conlon most frequently occurs in Ireland where it is carried by 1 in every 804 people. The majority of those with the family name of Conlon are to be found living in/around Leinster (approx. 27% of all UK Conlon's), Ulster and Connaught. The name can also be found in England with 1 in 14,273 people using it.
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