Van Rooy or Van Rooij is a Dutch toponymic surname. "Rooij" was a local term for many towns ending with "rode" or "roij", like Nistelrode, Sint-Oedenrode, Stramproy and Wanroij. This suffix itself means "a clearing made by men".[1] People with this surname include:
Van Rooy is also the name of a breed of sheep, named after the original breeder, South African Senator J. C. van Rooy.[2]
References
Van Rooy Wikipedia(Text) CC BY-SA