Born in Montreal and raised in Hudson, Quebec, Louise Carson studied music in Montreal and Toronto, played jazz piano and sang in the chorus of the Canadian Opera Company. Carson has published fourteen books: Rope, a blend of poetry and prose; Mermaid Road, a lyrical novella; A Clearing, a collection of poetry; Executor, a mystery set in China and Toronto; Dog Poems, a collection of poetry; The Last Unsuitable Man, a thriller set in the Sunshine Coast; her historical fiction Deasil Widdy series: In Which, Measured, and Third Circle; and her Maples Mysteries series: The Cat Among Us, The Cat Vanishes, The Cat Between, The Cat Possessed, and A Clutter of Cats.

Her poems appear in literary magazines, chapbooks and anthologies from coast to coast, including The Best Canadian Poetry 2013. She's been short-listed in FreeFall Magazine's annual contest three times, and one poem won a Manitoba Magazine Award. Her novel In Which was shortlisted for a Quebec Writers' Federation award in 2019. She has presented her work in many public forums, including Hudson's Storyfest 2015, as well as in Montreal, Ottawa, Kingston, Toronto, Saskatoon and New York City.

She lives in St-Lazare, Quebec, where she writes, teaches music and gardens.