Gilmartin is a critic who reviews fiction for the Irish Times. She is co-editor of the anthology Stinging Fly Stories and has an MFA from University College Dublin. She won Best Playwright at the inaugural Short+Sweet Dublin festival. Her short stories have been published in The Dublin Review, New Irish Writing and shortlisted for the RTÉ Francis MacManus Short Story Award. Her story ‘The Wife’ won the 2020 Máirtín Crawford Award at Belfast Book Festival.