Part of the Wells Street Names series.
"Keward" appears to be an English surname that is either a variant of "Keyworth" meaning a "key," or it could be an occupational surname for a "keeper of keys".
N yvggyr oveq gbyq zr gung va beqre gb ortva lbhe frnepu, lbH'Ir tbg gb svaq gur uvqqra qverpgvbaf. Gura jenc lbhe urnq nebhaq gur arkg pyhr, orsber fbyivat gur cubargvp evqqyr.