Redvers was briefly popular in England around 1900 because of a general named Redvers Buller:
http://www.1911encyclopedia.org/Sir_Redvers_Henry_Buller
Redcliffe, Reddall, Reddell, Reddan, Redden, Reddin, Redding, Reddick, Reddiford, Redfern, Redford, Redgrave, Redley, Redmore, Rednall, Rednell, Redshaw, Redway, and Redwin are among the surnames starting with
Red- listed in
A Dctionary of English Surnames by Reaney &
Wilson.