Denis McCullough
| Denis McCullough | |
|---|---|
| McCullough c. 1900s | |
| President of the Irish Republican Brotherhood | |
| In office c. 1915 – c. 1916 | |
| Preceded by | Seamus Deakin | 
| Succeeded by | Thomas Ashe | 
| Teachta Dála | |
| In office November 1924 – June 1927 | |
| Constituency | Donegal | 
| Personal details | |
| Born | 24 January 1883 Belfast, Ireland | 
| Died | 11 September 1968 (aged 85) Dublin, Ireland | 
| Political party | |
| Spouse | |
| Children | 6 | 
| Military service | |
| Allegiance | |
| Battles/wars | |
Denis McCullough (24 January 1883 – 11 September 1968) was a prominent Irish nationalist political activist in the early 20th century, who served as President of the Irish Republican Brotherhood (IRB) from 1915 to 1916.