ESRC Society Today - RES-000-22-0400 - Surnames as a Quantitative Resource for Social Sciences
# Smith remains the number one name, held by more than half a million people in the UK. As in the late 19th Century, it is most concentrated in Lerwick, in Shetland.
# Jones retains its position as the second most common name, with almost 400,000 bearing it. Blaenau Ffestiniog, in North Wales, remains their stronghold, with the highest incidence among upland hill farmers. Williams and Brown similarly retain their places as the third and fourth most common names.