Namesakes
New Zealand Prime Ministers:
1 prime minister
Jenny Shipley (a.k.a. Robson) 1997-1999 
Notable Actors and Entertainers:
1 actor
Flora Robson 1902-1984
Notable Athletes:
2 soccer, 1 tennis
(soccer) Bobby Robson 1933-2009
(soccer) Hal Robson-Kanu 1989-
(tennis) Laura Robson 1994-
Olympic Medalists:
1 silver
(silver) Laura Robson 2012 tennis