Hopkins, Hobkin(s), Mac Oibicín
An English surname hobbe-kin, a diminutive of Hobb (Robert). Woulfe lists Mac Oibicín, with a similar derivation, often pronounced ó Coibicín as a Mayo surname. In 1890 the surname was principally found in Mayo and Dublin, and the estimated number of bearers was 1,970. In the United States it is the 263rd most numerous surname with an estimated 112,750 bearers. In England and Wales in 1996 it was the 199th most numerous surname.