In advance of the Rising, with the confusion over orders and lack of information, she stated that she "did not question anything" as, with all that was happening, there were often odd events in her house.
On the orders of one of the principal leaders of the rising - Seán Mac Diarmada, de Barra (Price) and fellow Cumann na mBan member Bríd Dixon were promoted in the field and treated as Officers.
[8] By 1918 de Barra represented West Cork in the Cumann na mBan convention and became a member of the executive committee.
She travelled the country by train and by bicycle to get women to join the local branches of the Cumann and take part in the activities needed by the movement.
[10][11] De Barra married Tom Barry on 22 August 1921, in Cork during the Truce period in the lead up to the Anglo-Irish Treaty.
[15] She represented the Irish Red Cross at conferences in Toronto, Oslo, Monaco, New Delhi, Geneva, Vienna, The Hague, Athens, Istanbul, Prague.
[15] In 1962, with the Red Cross de Barra launched the "Freedom from hunger" campaign in Ireland which later became the organisation Gorta.
[22] In 1971 she was part of a series to look back on the events leading to Irish Independence and her story was broadcast by Raidió Teilifís Éireann[23] In 1979 she won the Henry Dunant Medal which is the highest award of the Red Cross Movement.
She is remembered today in the Leslie Bean de Barra Trophy awarded for the Cork Area Carer of the Year.