List of champions of the 1889 U.S. National Championships tennis event. The men's tournament was held from 27 August to 3 September on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 11 June to 15 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. The men's doubles event was played at the Staten Island Cricket Club in Livingston, Staten Island, New York. It was the 9th U.S. National Championships and the second Grand Slam tournament of the year. The inaugural U.S. Women's National Doubles Championship was held in 1889 and like the women's singles was played at the Philadelphia Cricket Club.:
List of champions of the 1890 U.S. National Championships. The men's singles and doubles competitions were held from 18 August to 27 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's singles and doubles competitions were held from 10 June to 13 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 10th U.S. National Championships and the second Grand Slam tournament of the year.
List of champions of the 1891 U.S. National Championships. The men's tournament was held from 22 August to 31 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 23 June to 27 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 11th U.S. National Championships and the second Grand Slam tournament of the year.:
List of champions of the 1892 U.S. National Championships. The men's tournament was held from 23 August to 30 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 21 June to 25 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. This tournament saw the introduction of the U.S. National Mixed Doubles Championship which was played, like the women's singles and women's doubles competition, at the Philadelphia Cricket Club. It was the 12th U.S. National Championships and the second Grand Slam tournament of the year.
List of champions of the 1893 U.S. National Championships tennis tournament. The men's singles competition was held from 22 August to 28 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The men's doubles event was played at the St. George Cricket Club in Chicago from July 25 through July 29. The women's singles and doubles events, as well as the mixed doubles, were held from 20 June to 23 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 13th U.S. National Championships and the second Grand Slam tournament of the year.
List of champions of the 1894 U.S. National Championships tennis tournament. The men's tournament was held from 20 August to 27 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's singles and doubles tournament as well as the mixed doubles event was held from 12 June to 16 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 15th U.S. National Championships and the second Grand Slam tournament of the year.
List of champions of the 1895 U.S. National Championships tennis tournament. The men's tournament was held from 18 August to 25 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 25 June to 29 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 16th U.S. National Championships and the second Grand Slam tournament of the year.
List of champions of the 1896 U.S. National Championships tennis tournament. The men's tournament was held from 17 August to 26 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 17 June to 20 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 17th U.S. National Championships and the second Grand Slam tournament of the year.
List of champions of the 1898 U.S. National Championships tennis tournament. The men's tournament was held from 15 August to 22 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 14 June to 18 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 18th U.S. National Championships and the second Grand Slam tournament of the year.
List of champions of the 1901 U.S. National Championships tennis tournament. The men's tournament was held from 19 August to 27 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 25 June to 29 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 21st U.S. National Championships and the second Grand Slam tournament of the year.
List of champions of the 1903 U.S. National Championships tennis tournament. The men's tournament was held from 16 August to 24 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 24 June to 27 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 23rd U.S. National Championships and the second Grand Slam tournament of the year. British Laurence Doherty became the first non-US winner of the men's championship.
List of champions of the 1904 U.S. National Championships tennis tournament. The men's tournament was held from 21 August to 31 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 21 June to 25 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 24th U.S. National Championships and the second Grand Slam tournament of the year.
List of champions of the 1905 U.S. National Championships tennis tournament. The men's tournament was held from 22 August to 31 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 20 June to 24 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 25th U.S. National Championships and the second Grand Slam tournament of the year.
List of champions of the 1907 U.S. National Championships tennis tournament. The men's tournament was held from 20 August to 28 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 25 June to 2 July on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 27th U.S. National Championships and the third Grand Slam tournament of the three played that year.
List of champions of the 1908 U.S. National Championships tennis tournament. The men's tournament was held from 18 August to 29 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 22 June to 27 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 28th U.S. National Championships and the second Grand Slam tournament of the three played that year.
List of champions of the 1909 U.S. National Championships tennis tournament. The men's tournament was held from 17 August to 27 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 21 June to 27 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. It was the 29th U.S. National Championships and the second Grand Slam tournament of the three played that year.
The 1911 U.S. National Championships took place on the outdoor grass courts at the Newport Casino in Newport, United States. The men's singles tournament ran from 21 August until 3 September while the women's singles and doubles championship took place from 12 June to 17 June at the Philadelphia Cricket Club in Chestnut Hill. It was the 31st staging of the U.S. National Championships, and the second Grand Slam tennis event of the year. William Larned won the men's singles championship for a record seventh and final time.
The 1915 U.S. National Championships took place on the outdoor grass courts at the West Side Tennis Club, Forest Hills in New York City, United States. The men's singles tournament ran from 31 August until 8 September while the women's singles and doubles championship took place from 7 June to 12 June at the Philadelphia Cricket Club in Chestnut Hill. It was the 35th staging of the U.S. National Championships, the first held at Forest Hills and the second Grand Slam tennis event of the year.
Elisabeth Moore won the singles tennis title of the 1905 U.S. Women's National Singles Championship by defeating Helen Homans 6–4, 5–7, 6–1 in the final of the All Comers' tournament. May Sutton was the reigning champion but did not defend her title in the Challenge Round. The event was played on outdoor grass courts and held at the Philadelphia Cricket Club in Wissahickon Heights, Chestnut Hill, Philadelphia from June 20 through June 24, 1905.
Helen Homans won the singles tennis title of the 1906 U.S. Women's National Singles Championship by defeating Maud Barger-Wallach 6–4, 6–3 in the final of the All Comers' tournament. Elisabeth Moore was the reigning champion but did not defend her title in the Challenge Round. The event was played on outdoor grass courts and held at the Philadelphia Cricket Club in Wissahickon Heights, Chestnut Hill, Philadelphia from June 19 through June 23, 1906.
William Clothier [1] 
Edward Dewhurst [1] 