1891 U.S. National Championships – Women's Singles

Mabel Cahill won the singles tennis title by defeating reigning champion Ellen Roosevelt 6–4, 6–1, 4–6, 6–3 in the Challenge Round of the 1891 U.S. Women's National Singles Championship. Cahill had won the right to challenge Ellen Roosevelt by defeating her sister Grace Roosevelt 6–3, 7–5 in the final of the All Comers' competition. The event was played on outdoor grass courts and held at the Philadelphia Cricket Club in Chestnut Hill, Philadelphia from June 23 through June 27, 1891.[1]

Women's Singles
1891 U.S. National Championships
Champion	Mabel Cahill [1]
Runner-up	Ellen Roosevelt [1]
Final score	6–4, 6–1, 4–6, 6–3
Draw	8(+CR)
Seeds	–

Draw

Challenge round

	Challenge Round
	Ellen Roosevelt		4	1	6	3
	Mabel Cahill		6	6	4	6

All Comers' finals

	Quarterfinals							Semifinals							Finals
		Adelaide Clarkson	6	6
		Emma Leavitt Morgan	0	0
									Adelaide Clarkson	1	1
									Grace Roosevelt	6	6
		Grace Roosevelt	3	6	6
		Helen Day Harris	6	3	4
																Grace Roosevelt	3	5
																Mabel Cahill	6	7
		Mabel Cahill	6	6
		Annabella Wistar	5	4
									Mabel Cahill	6	6
									Lida Voorhees	1	0
		Lida Voorhees	4	6	6
		Amy Williams	6	3	3

References

1. Collins, Bud (2016). The Bud Collins History of Tennis (3rd ed.). New York: New Chapter Press. p. 494. ISBN 978-1-937559-38-0.