Cora May Brown Beach (August 3, 1878 - March 30, 1968) was an American genealogist and historian, author of Women of Wyoming (1927).

On December 6, 1906, she married Alfred Holmes Beach (1877–1946) in Lakin, Kearny, Kansas, and their children were: Alfred Holmes, Jr., Ann Harriet (1908–1944), Stewart Middleton (1910-1966), John E., Mary Elizabeth, James Hatten.

[1] About $2000 ($36,203 in 2024 dollars) was raised to pay the expense of copying the census of 1870 of the state of Wyoming, and Beach was appointed chairman of the committee in charge of it.

Beach travelled 11,000 miles in her car to procure the information which she reported in her book.

[1] She died on March 30, 1968, in Flint, Michigan, and is buried at Municipal Cemetery Orchard Mesa, Colorado.