[2] McNeela was arrested and jailed several times for his Irish republican activities, first in 1937 when he was involved in a riot at a banned 1916 Rising commemoration in Castlebar.
[3] McNeela refused to recognize the authority of the military tribunal which tried him and he was convicted of riot and assault and sentenced to 12 months imprisonment.
[6] This bombing campaign took place from January 1939 to March 1940 involved approximately 300 explosions resulting in 10 deaths, 96 wounded and substantial damage to English infrastructure.
[9] McNeela assisted in the successful raid on the Irish Armys ammunition magazine in Phoenix Park, Dublin.
[10] While at the IRAs General Headquarters (GHQ) McNeela put forth a proposal to launch guerrilla raids from the Irish Free State across the border into Northern Ireland.
In the early morning hours of 25 April 1940, a large land mine was detonated in the Lower Castle Yard which was housed the Detective Division (or Special Branch).
[19] Jack "Sean" McNeela is commemorated on the republican plot, Leigue Cemetery, Ballina, County Mayo.