Billy Kelly may refer to:
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Billy Kelly (baseball) (1886–1940), American baseball player
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Billy Kelly (boxer)
Billy "Spider" Kelly (21 April 1932 – 7 May 2010) was a boxer from Derry, Northern Ireland whose career highlight was winning the Commonwealth (British Empire) featherweight title in 1954. He went on to win the British featherweight title in ...
(1932–2010), boxer from Derry, Northern Ireland
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Billy Kelly (horse), American Thoroughbred racehorse
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Billy Kelly (snooker player)
Billy Kelly (born 1 May 1945) is an Irish former professional snooker player. He played professionally from 1981 to 1992.
Career
Kelly was born on 1 May 1945. In 1977, he won the CIU championship, regarded as the second-most prestigious amateur ...
(born 1945), snooker player from Ireland
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Kelly, Billy