[1] In 1901 she was living with her younger brother and older sister, Thomas and (Mary) Anne, in Georges Quay and keeping house for them.

[2] In 1911 Cosgrave, now a milliner, was living at Tara Street and filled out her census form in Irish.

[5] Along with 23 other women, Cosgrave served in the Easter Rising in the Marrowbone Lane garrison, which was based in Jameson's Distillery, as Cumann na mBan quartermaster.

[8][9] Between the Rising and the War of Independence, many Inghinidhe branch members of Cumann na mBan were also involved in supporting the families of the men who remained in prison or had been killed.

They also collected money, initially for the dependants' fund and then later to enable the purchase of weapons for the Irish Republican Army.