1917usnationalchampionshipstennis

Clarence James "Peck" Griffin (January 19, 1888 – March 28, 1973) was an American tennis player. His best major performance in singles was reaching the semi-finals of the 1916 U.S. National Championships. He also reached the quarter-finals in 1914, 1915, 1917 and 1920. en.wikipedia.org/wiki/Clarence_Griffin

Thanks, RN, we can add full name to the record.

William Rosenbaum

Defeated in the first round of the 1917 U.S. Championships: query.nytimes.com/mem/archive-free/pdf?res=9B00E6DC103AE4... From the Jews in Sports site: "Rosenbaum, William The first known Jewish player to achieve an American ranking, William didn't play tennis full-time due to his prolific dental practice. Dr. Rosenbaum later became the chairman of the New York Oral Surgery Society, but remained close to the game by officiating at times. Birth and Death Dates: b 1888 - d. Sept. 16, 1951 Career Highlights: Rosenbaum was 63rd as the first American ranked Jew and had a career best ranking in class three of No. 31-No. 40 in 1914-1915. Even though he graduated from the New York University College of Dentistry, William managed to win the National indoor doubles championship twice and was runner-up in the National indoor singles championship in 1914. Later in his career, Rosenbaum won five National outdoor senior doubles crowns. "

Thanks RN and AS, we can add full name to the records.

Mary Kendall Browne (June 3, 1891 – August 19, 1971) was the first American female professional tennis player, a World No. 1 amateur tennis player, and an amateur golfer. She was born in Ventura County, California, United States. en.wikipedia.org/wiki/Mary_Browne

See comments on www.flickr.com/photos/library_of_congress/21083469063/ The same woman: www.flickr.com/photos/library_of_congress/22014799386/

Richard Norton: Thanks for providing this information. We'll add it to the record when we next update.