Andrew Mangan was born in Tullabrack East, near Kilrush, County Clare, Ireland, in 1896, the son of Patrick and Honor Mangan. He lodged at 44. Regent Street, Liverpool, Lancashire.
He served as a trimmer the Engineering Department on board the Lusitania and was killed when she was sunk. Nothing more is known about his life or service.
His body was never found and identified afterwards and as a consequence, he is commemorated on the Mercantile Marine War Memorial at Tower Hill, London.
He was aged 19 years at the time of his death, although he gave his age as being 22 years when he signed on for the voyage.
Register of Births, Marriages and Deaths, 1911 Census of Ireland, 1901 Census of Ireland, Commonwealth War Grave Commission, Cunard Records, PRO BT 334.