 As a surname, Hayes is the 191st most common surname in Great Britain, with 42,475 bearers.It is most common in Kent, where it is the 73rd most common surname, with 4,828 bearers.Other concentrations include, Buckinghamshire, (34th,3,304), Caerphilly, (43rd,1,700), Carmarthenshire, (48th,1,696), Merseyside, (79th,3,252), Swansea, (86th,1,704), City of Leeds (165th,1,722), Lancashire, (177th,3,370), Greater London, (288th,3,358), Greater Manchester, (335th,1,724), Cheshire, (386th,1,678), Essex, (618th,1,666), and Scotland.