The championship was open to any professional or amateur golfer who was age 50 years or over as of May 16, however restricted by a certain handicap level.

Winners of the U.S. Women's Open Championship who reached their 50th birthday on or before May 16, 2019 (ten year exemption[c]) 5.

Any professional or applicant for reinstatement who has won the U.S. Women's Amateur Championship (three year exemption[c]) 6.

From the 2018 LPGA Teaching & Club Professional Championship (Senior Division), the three lowest scorers and ties 11.

Playing members of the five most current United States and European Solheim Cup Teams 14.

Playing members of the two most current United States and Great Britain & Ireland Curtis Cup Teams and the two most current United States Women's World Amateur Teams (must be an amateur) 21.

[4] The championship was won by 54-year-old Helen Alfredsson, Sweden, with a one over par score of 285, two strokes ahead of runners-up Juli Inkster, United States and Trish Johnson, England, on tied second place.

Low amateurs were Sally Krueger, United States, and Judith Kyrinis, Canada, tied 29th, at 23-over-par 307.