Sidney Crosby didn't play in the OHL, but was in the QMJHL (Quebec Major Junior Hockey League) for 2 years. He played for the Rimouski Oceanic, in Rimouski. He was there for 2003-2004 and 2004-2005, before being drafted by the Pittsburgh Penguins.
Sidney Carlyle's birth name is Sidney D. Carlyle.
Sidney Magal's birth name is Magalhes, Sidney.
Sidney Marion's birth name is Sidney Marienberg.
Sidney Sheldon's birth name is Sidney Schechtel.
Sidney Catlett's birth name is Sidney Catlett.
Sidney Torch's birth name is Sidney Torchinsky.
Sidney Moncrief's birth name is Sidney A. Moncrief.
Sidney Arodin's birth name is Sidney Arnondrin.
Sidney Kingsley's birth name is Sidney Kirshner.
Sidney Ponson's birth name is Sidney Alton Ponson.
Sidney Luft's birth name is Michael Sidney Luft.
Sidney Sidell's birth name is Sidney J. Sidell.