Mary Jane McCaffree Monroe (née Fleming; October 28, 1911 – July 23, 2018) was a White House Social Secretary during the Eisenhower administration and a press and personal secretary for First Lady Mamie Eisenhower.

[1] First Ladies in the past have had social secretaries and clerks, but the positions were never recognized as part of the institutionalized presidency, until McCaffree was listed in the Congressional Directory's top White House personnel as "Acting Secretary to the President's Wife.

This led to her co-writing a book, titled Protocol: The Complete Handbook of Diplomatic, Official and Social Usage (ISBN 978-1-935451-16-7), in 1977.

[1][2] While working at the White House, she married Floyd McCaffree, a history and political science professor, who died in 1963.

Mary Jane died at age 106 in Juno Beach, Florida, on July 23, 2018.