Bachelor, Bryn Mawr College, 1957. Guest senior, Barnard College, 1957.
From general editor. to assistant managing editor Clarence L. Barnhart, Inc., Bronxville, 1976-1992. Assistant managing editor Rogers Knox & Barnhart, Inc., since 1992. Senior development editor Cambridge Dictionary American English English as Second Language/EFL reference Cambridge University Press, New York City, 1998—2003, managing editor Cambridge Dictionary of America Idioms, 2001—2003.
Freelance author, editor, since 2003. Editor, Facts on File Student's Dictionary American English, 2007.
Co-author: Let's Read, 1970, author revised edition, 1996. Editor: World Book Dictionary, Barnhart Abbreviations Dictionary, Chambers Dictionary of Etymology (formerly Barnhart Dictionary of Etymology), Barnhart Dictionary of New English, 1, 2, 3, Barnhart Concise Dictionary of Etymology, American Heritage Dictionary of Science, (with Robert K. Barnhart, deceased): Let's Read, A Linguistic Approach, 2010.
Member steering committee Barnard Project Continuum, 2003-2008. Established Homehill Farm Shetland Sheep and Wool, 2004, Garrison, New York.
Married Robert Knox Barnhart, September 16, 1955, (deceased April 7, 2007), children: Michael G., John R., David F., Katherine E., Rebecca L.