Ceallach ua Maílcorgus (died 999), Chief Poet of Connacht. The Annals of the Four Masters record his death under the year 999. No surviving poems by him are known. References http://www.ucc.ie/celt/published/T100005B/ http://www.irishtimes.com/ancestor/surname/index.cfm?fuseaction=Go.&UserID= People from County Mayo People from County Galway People from County Roscommon 10th-century Irish poets 999 deaths Medieval Irish poets 10th-century Irish writers Year of birth unknown Irish male poets