Having left the seminary, he entered the Irish Civil Service in 1936.[1] After a period of time working at the Property Valuation Office, he moved into the dictionary team at the Department of Education (An Roinn Oideachais).
During his career as a writer, he wrote exclusively in his native Irish language. He produced a number of novels aimed at teenagers, as well as collaborated on a number of books on the natural world. He was also president of Conradh na Gaeilge from 1952 to 1955.
Personal life
Ó Liatháin married Margaret Fox of Ballymote, County Sligo in 1949, and they went on to have eight children.
Bibliography
Claíomh an Díoltais
Cois Móire
Laochra na Machairí
An Tíogar Daonna
Nead na gCreabhar
Luaithreach an Bhua
Dún na Cinniúna
Cois tSiúire
Buíon Éireannach in Albain
An Bradán agus Iascaireacht an Bhradáin (Sáirséal agus Dill, 1970)