Fallows was the assistant dean of languages and linguistics at Georgetown University. She chose to be a stay at home mother after the birth of her second son. Fallows wrote of her experiences in her first book, A Mother's Work (1985).[4]
From 2012 to 2017, Fallows and her husband, James Fallows, flew their single-engine plane across America to visit small towns, which was the basis of their latest book, Our Towns (2018).[5] The book was made into an HBO documentary film in 2021.[6]
Fallows and her husband started the Our Towns Civic Foundation in 2021.[7]