During World War II, she joined the French Resistance and served in the maquis of Ain under Léo Hamon.

[2] During her tenure, she oversaw the construction of the Paradis neighbourhood and the Henri-IV Hospital in Meulan.

[2] She also voted in favour of abortion and looser divorce regulations as well as the repeal of the death penalty.

[2] She married Emeric Gros; they had four children, Olivier, France, François and Catherine.

[1][2] The Place Brigitte-Gros, a town square, and the Centre Brigitte Gros, a hospital, both of which are based in Meulan, are named in her memory.