Earl of Carnarvon
The street is named after Henry Herbert, 4th Earl of Carnarvon, Secretary of State for the Colonies from 1866 to 1867 and from 1874 to 1978. The town and county in Wales to which the title of Earl of Carnarvon refers are historically spelled "Caernarfon," having been Anglicised to Carnarvon or Caernarvon.