Within the UK and Ireland, the surname Porteous most frequently occurs in Scotland where it is carried by 1 in every 3,499 people. The majority of those with the family name of Porteous are to be found living in/around City of Edinburgh (approx. 8% of all UK Porteous's), Dumfries and Galloway and East Lothian. The name can also be found in England with 1 in 29,065 people using it.
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