Colbert was sworn into the IRB by his cousin Art O'Donnell in Art's home in 1908.
He joined Fianna Éireann at its inaugural meeting in 1909, and rose to Chief Scout.
The following year he became a drill instructor at St. Enda's School, founded by Patrick Pearse.
In 1912 he became head of an Irish Republican Brotherhood (IRB) circle within the Fianna started by Bulmer Hobson.
During 1913 he was one of a number of Fianna who conducted military training at the Forester's Hall in Rutland Square (now Parnell Square), and in November that year he joined the Provisional Committee of the newly formed Irish Volunteers.
Colbert was sworn into the IRB by his cousin Art O'Donnell in Art's home in 1908. He joined Fianna Éireann at its inaugural meeting in 1909, and rose to Chief Scout. The following year he became a drill instructor at St. Enda's School, founded by Patrick Pearse. In 1912 he became head of an Irish Republican Brotherhood (IRB) circle within the Fianna started by Bulmer Hobson. During 1913 he was one of a number of Fianna who conducted military training at the Forester's Hall in Rutland Square (now Parnell Square), and in November that year he joined the Provisional Committee of the newly formed Irish Volunteers.
Con Colbert