1 Scottish and English (of Norman origin): habitational name for someone from Rots near Caen in Normandy, probably named with the Germanic element rod ‘clearing’. Compare Rhodes . This was the original home of a family de Ros, who were established in Kent in 1130 .2 Scottish and English: habitational name from any of various places called Ross or Roos(e), deriving the name from Welsh rhós ‘upland’ or moorland, or from a British ancestor of this word, which also had the sense ‘promontory’. This is the sense of the cognate Gaelic word ros. Known sources of the surname include Roos in Humberside (formerly in East Yorkshire) and the region of northern Scotland known as Ross. Other possible sources are Ross-on-Wye in Herefordshire, Ross in Northumbria (which is on a promontory), and Roose in Lancashire3 English and German: from the Germanic personal name Rozzo, a short form of the various compound names with the first element hrōd ‘renown’, introduced into England by the Normans in the form Roce.