1889 U.S. National Championships (tennis)
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, PA. 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.:Finals
defeated Quincy Shaw 6–3, 6–1, 4–6, 6–2Women's Singles
defeated Lida Voorhees 7–5, 6–2Men's Doubles
/ Howard Taylor defeated Valentine Hall / Oliver Campbell 6–1, 6–3, 6–2Women's Doubles
/ Bertha Townsend defeated Marion Wright / Laura Knight 6–0, 6–2
