Walls was born to a Catholic family in the northern part of Ireland during the worst of the Great Famine.
[2] In 1887, William Snow, secretary of the blastfurnacemen's union in Cumberland, was incapacitated through illness, and Walls travelled to Workington in an attempt to resolve a dispute there.
Following a fall in the price of iron, local employers had cut wages.
As he hoped, the price rebounded within a week, and wages were restored to their earlier level.
[1][3] He also served on the National Executive Committee of the Labour Party for a few years.