Moss Twomey
| Moss Twomey | |
|---|---|
| Muirgheas Ó Tuama | |
| Chief of Staff of the IRA | |
| In office 1926 – June 1936 | |
| Preceded by | Andrew Cooney | 
| Succeeded by | Seán MacBride | 
| Personal details | |
| Born | Maurice Twomey 10 June 1897 Clondulane, near Fermoy, County Cork, Ireland | 
| Died | 1 October 1978 (aged 81) | 
| Military service | |
| Branch/service | Original IRA Anti-Treaty IRA | 
| Rank | Chief of Staff (Anti-Treaty IRA) | 
| Battles/wars | Irish War of Independence Irish Civil War | 
Maurice Twomey (Irish: Muirgheas Ó Tuama; 10 June 1897 – October 1978) was an Irish republican and the longest serving chief of staff of the Irish Republican Army (IRA).