Parker, An English surname derived from the Old French parquier meaning ‘one in charge of a park, park-keeper’. In 1890 the surname was principally found in Antrim and Cork, and the estimated number of bearers was 1,790. In the United States it is the 47th most numerous surname with an estimated 401,500 bearers. In England and Wales in 1996 it was the 46th most numerous surname.