Rhys or Rhŷs is a popular Welsh given name (usually male) that is famous in Welsh history and is also used as a surname. It originates from Deheubarth, an old region of South West Wales, with famous kings such as Rhys ap Tewdwr.
It is pronounced [r̥ɨːs] in North Wales, [r̥iːs] in South Wales, and /riːs/ REESS in English.[1] Anglicised forms of the name include Reece, Rees, Reese and Rice.