Nicholson, Both an English and a Scottish surname, see immediately above. In Scotland the surname was to be found in the Lowlands, in Lasswade and in Skye. In 1890 the surname was principally found in Antrim, Sligo and Dublin, and the estimated number of bearers was 1,970. In the United States it is the 522nd most numerous surname with an estimated 60,500 bearers. In England and Wales in 1996 it was the 183rd most numerous surname.