[1]: 1 With her husband Robert, Sibley was also deeply involved in the community life of the University of California, Berkeley.
"[2]: 303 On 6 December 1943, in Washington, D.C.,[2]: 83, 304 [6][7] she married Robert Sibley (1881-1958),[8] a professor of mechanical engineering at the University of California, Berkeley,[9] who was an executive manager of the California Alumni Association (1923-1949),[10] and later became director and president of the East Bay Regional Park District (1948-1958).
[2]: 304 The Sibleys lived for many years in a house known as Allanoke at the corner of Le Roy Avenue and Ridge Road in Berkeley.
"[11]: 64 Because of their support for school desegregation, Sibley and another board member, Sherman J. Maisel, were subjected to a recall election on October 6, 1964, in which they retained their seats, and their detractors experienced a "rout," by a margin of about 23,000 to 15,000 votes.
[11]: 66 Sibley received the 1973 Benjamin Ide Wheeler Medal for distinguished service to the Berkeley community.