Louis Victor Dubois was born on 4 December 1837 in Dreux, Eure-et-Loir, son of wine merchant.
On 1 January 1861 he succeeded his father in the business, which he practiced until 1 July 1891.
In 1868 he was appointed a deputy judge in the Commercial Court.
He was elected to the municipal council in 1870.
He was made a judge at the Commercial Court in 1872.
In 1877 he became a councilor of the arrondissement of Dreux, and on 31 January 1878 he became mayor of Dreux. He held this office for ten years.
He was elected Councillor General of Eure-et-Loir on 6 October 1895.
Dubois ran successfully for election as deputy for Dreux on 3 November 1895 after the death of the incumbent, Jean Terrier, former Minister of Commerce and Industry. He joined the Progressive group.
He was reelected in the general elections of 8 May 1898.
He was defeated in the general elections of April–May 1902, and did not run for election again.
Louis Dubois died on 12 November 1914 in Dreux.
