Surnames beginning with CAY

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CAYA CAYB CAYC CAYD CAYE CAYF CAYG CAYH CAYI CAYK CAYL CAYM CAYN CAYO CAYR CAYS CAYT CAYU CAYW CAYZ

Surnames shown in bold text represent around 90% of the population of Great Britain. All other names are very uncommon in the UK and we are unlikely to have any useful data on them.