"Down by the Glenside (The Bold Fenian Men)" is an Irish rebel song written by Peadar Kearney, an Irish Republican and composer of numerous rebel songs, including "The Soldier's Song" ("Amhrán na bhFiann"), now the Irish National Anthem and "The Tri-coloured Ribbon".
Kearney was a member of the Irish Republican Brotherhood, popularly known as the Fenians. He wrote the song about the time of the 1916 Rising. It evokes the memory of the freedom-fighters of the previous generation (strong, manly forms...eyes with hope gleaming), as recalled by an old woman down by the glenside. It is effectively a call to arms for a generation of Irishmen accustomed to political nationalism.
Three verses to this song were sung by Ken Curtis (best known for his role as "Festus Haggen" in Gunsmoke) and The Sons of the Pioneers in the 1950 John Ford movie Rio Grande.
Richard Dyer-Bennet recorded the song on his first self produced LP Richard Dyer-Bennet 1, (1955). The song became popular again in the 1960s, when it was recorded by The Clancy Brothers. It has since been recorded by numerous artists, including The Dubliners, Cherish The Ladies, Omnia, and the Screaming Orphans.