Jean-Odéo Demars, born in Sézanne (France), 2 February 1695, died in Paris, 7 November 1756, was an 18th-century French organist, composer and harpsichordist.
He married Geneviève Françoise Legris on February 18, 1734, and they raised seven children.
As composer he wrote several spiritual songs for the female students of the Saint-Cyr school, near Paris.
We know little else than he was the elder brother of Charles Demars (28 May 1702 - 4 Mars 1774), nicknamed "le cadet", who became in 1728 organist in the Vannes Cathedral, in Brittany, until his death.
This collection consists of four suites: Two pieces by Charles Demars played by harpsichordist Claude Nadeau :