IRA Organisational Map. A village or town comprised a company; a number of companies formed a battalion&a number of battalions formed a brigade. By July 1921, the IRA had roughly 65 brigades & 297 battalions with a strength of 115,550 Volunteers.

IRA Organisational Map. A village or town comprised a company; a number of companies formed a battalion&a number of battalions formed a brigade. By July 1921, the IRA had roughly 65 brigades & 297 battalions with a strength of 115,550 Volunteers.