Guérin was born at Lunéville, Meurthe-et-Moselle, the eldest of eight children in a family
engaged in pottery manufacture. He was educated at Saint-Pierre-Fourier at Lunéville and
then at the Faculté des Lettres at Nancy where he was drawn to poetry and German studies
later travelling to Germany as well as Belgium, Switzerland and Italy.
He frequented the literary societies of Heredia and Mallarmé in Paris where he spent the
latter part of his brief adult life from 1900 to 1906 at rue Casimir-Périer in 7th
Arrondissement of Paris. His affair with Jeanne Bucher, nee Blumer, was terminated by her
He was intensely Catholic and wrote poetry blending passion and world weariness, sweetness
and acridity publishing several collections of poetry and was awarded the prix
Archon-Despérouses by the Académie Française in 1902.
He died, aged 33, of a brain tumour at Lunéville.