Sid Riley
| Born | Sidney Austin Riley[1] 18 April 1878[1] | ||||||||||||||||
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| Died | 31 March 1964 (aged 85)[1] | ||||||||||||||||
| Rugby union career | |||||||||||||||||
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Personal information | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Full name | Sidney Austin Riley | |||||||||||||||||||||||||||||||||||||||||||||||||
Playing information | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Position | Halfback | |||||||||||||||||||||||||||||||||||||||||||||||||
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Sidney Austin Riley (18 April 1878 – 31 March 1964) was a rugby union player who represented Australia.

Riley, a centre, was born in Auckland, New Zealand, and claimed one international rugby cap for Australia, against New Zealand, at Sydney, on 15 August 1903. He also played rugby league in a match for New Zealand against Auckland and played for Auckland several times and was a member of the Ponsonby rugby club and Ponsonby United rugby league club.