Within the UK and Ireland, the surname Knapp most frequently occurs in England where it is carried by 1 in 16,577 people. The majority of those with the family name of Knapp are to be found living in/around Greater London (approx. 15% of all UK Knapp's), Kent and Leicestershire. The name can also be found in Wales with 1 in 25,730 people using it.
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