We think this is the right family
The 1901 census lists a family named Mannion, living in Henffordd, Mold. James Mannion was head. He was 50 and had been born in Ireland. He was a bricklayer’s labourer. His wife, Elizabeth was 46 and had been born in Crewe. Their children were Peter 6 yrs, William 5 yrs and Sarah/Norah? who was 8 months old.