Madeline O'Neill (born 1867/1868; also Madeleine O'Neill) was a British tennis player.
|Grand Slam Singles results|
|Wimbledon||QF (1909, 1913)|
|Grand Slam Doubles results|
|Wimbledon||1R (1913, 1914)|
|Grand Slam Mixed Doubles results|
Since 1905, O'Neill competed in the Wimbledon Championships. In 1909 and 1913, she reached the quarterfinals of the singles competition. In mixed doubles, she could reach the semifinals with Norman Kidson in 1913.
In 1922, O'Neill took part in the Wimbledon singles for the last time and won two matches. Then at an age of 54, she is until today the oldest player to ever have won a match at the Wimbledon singles.
- Madeline O'Neill's player profile at Wimbledon.com
- Viner, Brian (22 June 2004). "Navratilova still rewriting all the record books". The Independent. Retrieved 3 December 2013.