Barbour was born at "Catalpa", near Culpeper, Virginia, the son of JohnStrodeBarbour.
Barbour served as a member of the State house of delegates from 1847 to 1851, and was president of the Orange and Alexandria Railroad Co. from 1852 to 1881.
Barbour was elected as a Democrat to the United States Senate and served from March 4 1889, until his death in 1892 in Washington, D.C. He was intered in the burial ground at "Poplar Hill," Prince George's County, Maryland.
If he is the author of the five or six long poems which have been ascribed to him by different writers, he adds to his importance as the father of Scots poetry the reputation of being one of the most voluminous writers in Early Scots, certainly the most voluminous of all Scots poets.
Yet another work was added to the list of Barbour's works by the discovery in the library of the University of Cambridge, by Henry Bradshaw, of a long Scots poem of over 33,000 lines, dealing with Legends of the Saints, as told in the Legenda A urea and other legendaries.
The general likeness of this poem to Barbour's accepted work in verse-length, dialect and style, and the facts that the lives of English saints are excluded and those of St. Machar (the patron saint of Aberdeen) and St.