Painter and teacher who was born in Portadown, Armagh, Northern Ireland. Initially he followed his father’s trade as a house painter and studied at the local Technical School, but attended evening classes at Belfast School of Art. After gaining a scholarship to Dublin’s Metropolitan School of Art, 1917–21, where he won gold and silver medals, Lamb settled in Carraroe, County Galway, where he lived simply and became noted for his studies of peasant life. In the mid-1930s he built a house at Carraroe and ran a summer painting school there. Travelled extensively in Ireland, working in the North extensively from the early 1940s, also in Brittany. He was a member of RHA and RUA and exhibited widely in Ireland and abroad, including RA, America – including Olympic Art Exhibition, 1932, in Los Angeles – and was given a show by CEMA in Belfast in 1947.