John MacDonald - rugby player - was born in 1960.
John Hinton was born June 19, 1876, in Pittsburgh, PA, USA.
John O'Shea - rugby player - was born on 1940-06-02.
Roy John - rugby player - was born on 1925-12-03.
John Connolly - rugby - was born in 1951.
I dont know which, if any, of the following played at international level but these are all listed in the Schools Alumni. John Gwilliam (born 1923), rugby player Keith Jarrett (born 1948), rugby player Eddie Butler (born 1957), rugby player / TV commentator Wayne Barnes (born 1979), International rugby union referee
John Patrick - rugby union - was born in 1898.
John Campbell - rugby - was born on 1889-07-22.
John Thompson - rugby union - was born in 1886.
John Rogers - rugby union - was born in 1867.
John Payne - rugby - was born on 1858-03-19.
John Barnett - rugby - was born on 1880-01-19.