Airbertach mac Cosse - AbsoluteAstronomy.com

Airbertach mac Cosse, died 1016, was an Irish

Irish people

The Irish people are an ethnic group who originate in Ireland, an island in northwestern Europe. Ireland has been populated for around 9,000 years , with the Irish people's earliest ancestors recorded having legends of being descended from groups such as the Nemedians, Fomorians, Fir Bolg, Tuatha...

poet

Poet

A poet is a person who writes poetry. A poet's work can be literal, meaning that his work is derived from a specific event, or metaphorical, meaning that his work can take on many meanings and forms. Poets have existed since antiquity, in nearly all languages, and have produced works that vary...

, lector

Lector

Lector is a Latin term for one who reads, whether aloud or not. In modern languages the word has come to take various forms, as either a development or a loan, such as , , and . It has various specialized uses:...

and later superior of the monastery of Ros Ailithir (now Rosscarbery

Rosscarbery

Rosscarbery or Roscarbery is a town in County Cork, Ireland. The town is on a shallow estuary, which opens onto Rosscarbery Bay.-History:...

), on the coast of south-west County Cork

County Cork

County Cork is a county in Ireland. It is located in the South-West Region and is also part of the province of Munster. It is named after the city of Cork . Cork County Council is the local authority for the county...

. Rofessa i curp Domuin Dúir, a poem on the geography of the world, is ascribed to him in both the Rawlinson B 502 and the Book of Leinster

Book of Leinster

The Book of Leinster , is a medieval Irish manuscript compiled ca. 1160 and now kept in Trinity College, Dublin, under the shelfmark MS H 2.18...

Further reading