8 - Bill Tilden, 1918-25; Ivan Lendl, 1982-89
7 - Richard Sears, 1881-87
5 - Jimmy Connors, 1974-78; Maurice McLoughlin, 1911-15; Robert Wrenn, 1893-97 Pete Sampras 1990, 1993, 1995, 1996, 2002
4 - Bill Johnston, 1922-25; Bill Larned, 1900-03; Henry Slocum, 1887-90, Roger Federer 2004-2007, 3 - John McEnroe, 1979-81;
6 - Chris Evert, 1975-80; Pauline Betz, 1941-46
5 - Elisabeth Moore, 1901-05; Molla B. Mallory, 1920-24; Helen H. Jacobs, 1932-36; Martina Navratilova, 1983-87
4 - Juliette Atkinson, 1895-98; Molla Bjurstedt, 1915-18; Margaret Osborne, 1947-50; Doris Hart, 1952-55; Evonne Goolagong, 1973-76; Steffi Graf, 1993-1996
Male: Mats Wilander, Ivan Lendl, Gustavo Kuerton and Rafael Nadal have won it three times (Bjorn Borg, Max Decugis and Henri Cochet have won it more times, 6, 4 and 8 times respectively)
Monica Seles won the French Open in 1990, 1991 and 1992.
Connors, Sampras, Federer
Chris Evert. The American who has won the french open 7 times. (1974,1975,1979,1980,1983,1985 and then her last in 1986).
Chris Evert won the US Open 6 times, the only person to do so.
The 2011 US golf open was won by Rory Mcilroy and the 2011 US tennis open, was won in the mens by Novak Djokovic and in the womens by Samantha Stosur.
From my side it should be Chris Evert
Rafael Nadal won the US Open for men's singles.
Rafael Nadal won the 2010 U.S. Open in men's singles.
Wimbledon, Us Open and A few more I think.